diff --git a/crates/forth/src/ops.rs b/crates/forth/src/ops.rs
index 2be7eb8..0c5401b 100644
--- a/crates/forth/src/ops.rs
+++ b/crates/forth/src/ops.rs
@@ -88,4 +88,5 @@ pub enum Op {
     DivEnd,
     StackStart,
     EmitN,
+    ClearCmd,
 }
diff --git a/crates/forth/src/types.rs b/crates/forth/src/types.rs
index 58d0c1a..8830bbb 100644
--- a/crates/forth/src/types.rs
+++ b/crates/forth/src/types.rs
@@ -135,7 +135,14 @@ impl CmdRegister {
     }
 
     pub(super) fn snapshot(&self) -> Option<(Value, Vec<(String, Value)>)> {
-        self.sound.as_ref().map(|s| (s.clone(), self.params.clone()))
+        self.sound
+            .as_ref()
+            .map(|s| (s.clone(), self.params.clone()))
+    }
+
+    pub(super) fn clear(&mut self) {
+        self.sound = None;
+        self.params.clear();
     }
 }
 
diff --git a/crates/forth/src/vm.rs b/crates/forth/src/vm.rs
index 63834ed..6b36bee 100644
--- a/crates/forth/src/vm.rs
+++ b/crates/forth/src/vm.rs
@@ -742,6 +742,10 @@ impl Forth {
                     scope_stack.push(new_scope);
                 }
 
+                Op::ClearCmd => {
+                    cmd.clear();
+                }
+
                 Op::EmitN => {
                     let n = stack.pop().ok_or("stack underflow")?.as_int()?;
                     if n < 0 {
diff --git a/crates/forth/src/words.rs b/crates/forth/src/words.rs
index 3fb77e2..ec85f29 100644
--- a/crates/forth/src/words.rs
+++ b/crates/forth/src/words.rs
@@ -1534,6 +1534,54 @@ pub const WORDS: &[Word] = &[
         example: "0.02 chorusdelay",
         compile: Param,
     },
+    Word {
+        name: "eqlo",
+        category: "EQ",
+        stack: "(f --)",
+        desc: "Set low shelf gain (dB)",
+        example: "3 eqlo",
+        compile: Param,
+    },
+    Word {
+        name: "eqmid",
+        category: "EQ",
+        stack: "(f --)",
+        desc: "Set mid peak gain (dB)",
+        example: "-2 eqmid",
+        compile: Param,
+    },
+    Word {
+        name: "eqhi",
+        category: "EQ",
+        stack: "(f --)",
+        desc: "Set high shelf gain (dB)",
+        example: "1 eqhi",
+        compile: Param,
+    },
+    Word {
+        name: "tilt",
+        category: "EQ",
+        stack: "(f --)",
+        desc: "Set tilt EQ (-1 dark, 1 bright)",
+        example: "-0.5 tilt",
+        compile: Param,
+    },
+    Word {
+        name: "width",
+        category: "Stereo",
+        stack: "(f --)",
+        desc: "Set stereo width (0 mono, 1 normal, 2 wide)",
+        example: "0 width",
+        compile: Param,
+    },
+    Word {
+        name: "haas",
+        category: "Stereo",
+        stack: "(f --)",
+        desc: "Set Haas delay in ms (spatial placement)",
+        example: "8 haas",
+        compile: Param,
+    },
     Word {
         name: "comb",
         category: "Filter",
@@ -1766,6 +1814,14 @@ pub const WORDS: &[Word] = &[
         example: "1 reset",
         compile: Param,
     },
+    Word {
+        name: "clear",
+        category: "Sound",
+        stack: "(--)",
+        desc: "Clear sound register (sound and all params)",
+        example: "\"kick\" s 0.5 gain . clear \"hat\" s .",
+        compile: Simple,
+    },
     // Quotation execution
     Word {
         name: "apply",
@@ -1871,6 +1927,7 @@ pub(super) fn simple_op(name: &str) -> Option<Op> {
         "stack" => Op::StackStart,
         "~" => Op::DivEnd,
         ".!" => Op::EmitN,
+        "clear" => Op::ClearCmd,
         _ => return None,
     })
 }
diff --git a/crates/project/src/file.rs b/crates/project/src/file.rs
index 9dec2c7..60ab66c 100644
--- a/crates/project/src/file.rs
+++ b/crates/project/src/file.rs
@@ -35,11 +35,13 @@ impl From<&Project> for ProjectFile {
 
 impl From<ProjectFile> for Project {
     fn from(file: ProjectFile) -> Self {
-        Self {
+        let mut project = Self {
             banks: file.banks,
             sample_paths: file.sample_paths,
             tempo: file.tempo,
-        }
+        };
+        project.normalize();
+        project
     }
 }
 
diff --git a/crates/project/src/project.rs b/crates/project/src/project.rs
index ae97746..c70d923 100644
--- a/crates/project/src/project.rs
+++ b/crates/project/src/project.rs
@@ -282,4 +282,14 @@ impl Project {
     pub fn pattern_at_mut(&mut self, bank: usize, pattern: usize) -> &mut Pattern {
         &mut self.banks[bank].patterns[pattern]
     }
+
+    pub fn normalize(&mut self) {
+        self.banks.resize_with(MAX_BANKS, Bank::default);
+        for bank in &mut self.banks {
+            bank.patterns.resize_with(MAX_PATTERNS, Pattern::default);
+            for pattern in &mut bank.patterns {
+                pattern.steps.resize_with(MAX_STEPS, Step::default);
+            }
+        }
+    }
 }
diff --git a/src/app.rs b/src/app.rs
index fe36ad7..b08063f 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -53,7 +53,8 @@ impl App {
         let variables = Arc::new(Mutex::new(HashMap::new()));
         let dict = Arc::new(Mutex::new(HashMap::new()));
         let rng = Arc::new(Mutex::new(StdRng::seed_from_u64(0)));
-        let script_engine = ScriptEngine::new(Arc::clone(&variables), Arc::clone(&dict), Arc::clone(&rng));
+        let script_engine =
+            ScriptEngine::new(Arc::clone(&variables), Arc::clone(&dict), Arc::clone(&rng));
         let live_keys = Arc::new(LiveKeyState::new());
 
         Self {
@@ -251,7 +252,9 @@ impl App {
                 })
                 .collect();
             self.editor_ctx.editor.set_candidates(candidates);
-            self.editor_ctx.editor.set_completion_enabled(self.ui.show_completion);
+            self.editor_ctx
+                .editor
+                .set_completion_enabled(self.ui.show_completion);
         }
     }
 
@@ -333,7 +336,8 @@ impl App {
                 {
                     step.command = None;
                 }
-                self.ui.flash(&format!("Script error: {e}"), 300, FlashKind::Error);
+                self.ui
+                    .flash(&format!("Script error: {e}"), 300, FlashKind::Error);
             }
         }
     }
@@ -409,21 +413,14 @@ impl App {
         let is_playing = snapshot.is_playing(bank, pattern);
         let pattern_data = self.project_state.project.pattern_at(bank, pattern);
 
-        let existing = self
-            .playback
-            .staged_changes
-            .iter()
-            .position(|c| {
-                c.change.pattern_id().bank == bank && c.change.pattern_id().pattern == pattern
-            });
+        let existing = self.playback.staged_changes.iter().position(|c| {
+            c.change.pattern_id().bank == bank && c.change.pattern_id().pattern == pattern
+        });
 
         if let Some(idx) = existing {
             self.playback.staged_changes.remove(idx);
-            self.ui.set_status(format!(
-                "B{:02}:P{:02} unstaged",
-                bank + 1,
-                pattern + 1
-            ));
+            self.ui
+                .set_status(format!("B{:02}:P{:02} unstaged", bank + 1, pattern + 1));
         } else if is_playing {
             self.playback.staged_changes.push(StagedChange {
                 change: PatternChange::Stop { bank, pattern },
@@ -467,7 +464,8 @@ impl App {
         }
         let count = self.playback.staged_changes.len();
         self.playback.staged_changes.clear();
-        self.ui.set_status(format!("Cleared {count} staged changes"));
+        self.ui
+            .set_status(format!("Cleared {count} staged changes"));
     }
 
     pub fn select_edit_pattern(&mut self, pattern: usize) {
@@ -705,8 +703,11 @@ impl App {
         }
         self.project_state.mark_dirty(bank, pattern);
         self.load_step_to_editor();
-        self.ui
-            .flash(&format!("Linked to step {:02}", copied.step + 1), 150, FlashKind::Success);
+        self.ui.flash(
+            &format!("Linked to step {:02}", copied.step + 1),
+            150,
+            FlashKind::Success,
+        );
     }
 
     pub fn harden_step(&mut self) {
@@ -896,7 +897,8 @@ impl App {
                     // If current step is a shallow copy, navigate to source step
                     let pattern = &self.project_state.project.banks[self.editor_ctx.bank].patterns
                         [self.editor_ctx.pattern];
-                    if let Some(source) = pattern.steps[self.editor_ctx.step].source {
+                    if let Some(source) = pattern.step(self.editor_ctx.step).and_then(|s| s.source)
+                    {
                         self.editor_ctx.step = source;
                     }
                     self.load_step_to_editor();
diff --git a/src/views/highlight.rs b/src/views/highlight.rs
index b376cf0..28f10fc 100644
--- a/src/views/highlight.rs
+++ b/src/views/highlight.rs
@@ -51,11 +51,57 @@ const OPERATORS: &[&str] = &[
     "or", "not", "ceil", "floor", "round", "mtof", "ftom",
 ];
 const KEYWORDS: &[&str] = &[
-    "if", "else", "then", "emit", "rand", "rrand", "seed", "cycle", "choose", "chance", "[", "]",
-    "zoom", "scale!", "stack", "echo", "necho", "for", "div", "each", "at", "pop", "adsr", "ad",
-    "?", "!?", "<<", ">>", "|", "@", "!", "pcycle", "tempo!", "prob", "sometimes", "often",
-    "rarely", "almostAlways", "almostNever", "always", "never", "coin", "fill", "iter", "every",
-    "gt", "lt", ":", ";", "apply",
+    "if",
+    "else",
+    "then",
+    "emit",
+    "rand",
+    "rrand",
+    "seed",
+    "cycle",
+    "choose",
+    "chance",
+    "[",
+    "]",
+    "zoom",
+    "scale!",
+    "stack",
+    "echo",
+    "necho",
+    "for",
+    "div",
+    "each",
+    "at",
+    "pop",
+    "adsr",
+    "ad",
+    "?",
+    "!?",
+    "<<",
+    ">>",
+    "|",
+    "@",
+    "!",
+    "pcycle",
+    "tempo!",
+    "prob",
+    "sometimes",
+    "often",
+    "rarely",
+    "almostAlways",
+    "almostNever",
+    "always",
+    "never",
+    "coin",
+    "fill",
+    "iter",
+    "every",
+    "gt",
+    "lt",
+    ":",
+    ";",
+    "apply",
+    "clear",
 ];
 const SOUND: &[&str] = &["sound", "s"];
 const CONTEXT: &[&str] = &[
@@ -168,6 +214,23 @@ const PARAMS: &[&str] = &[
     "n",
     "cut",
     "reset",
+    "eqlo",
+    "eqmid",
+    "eqhi",
+    "tilt",
+    "width",
+    "haas",
+    "llpf",
+    "llpq",
+    "lhpf",
+    "lhpq",
+    "lbpf",
+    "lbpq",
+    "sub",
+    "suboct",
+    "subwave",
+    "bank",
+    "loop",
 ];
 const INTERVALS: &[&str] = &[
     "P1", "unison", "m2", "M2", "m3", "M3", "P4", "aug4", "dim5", "tritone", "P5", "m6", "M6",
@@ -176,34 +239,27 @@ const INTERVALS: &[&str] = &[
 ];
 
 const NOTES: &[&str] = &[
-    "c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9",
-    "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9",
-    "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9",
-    "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9",
-    "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", "g8", "g9",
-    "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9",
-    "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8", "b9",
-    "cs0", "cs1", "cs2", "cs3", "cs4", "cs5", "cs6", "cs7", "cs8", "cs9",
-    "ds0", "ds1", "ds2", "ds3", "ds4", "ds5", "ds6", "ds7", "ds8", "ds9",
-    "es0", "es1", "es2", "es3", "es4", "es5", "es6", "es7", "es8", "es9",
-    "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9",
-    "gs0", "gs1", "gs2", "gs3", "gs4", "gs5", "gs6", "gs7", "gs8", "gs9",
-    "as0", "as1", "as2", "as3", "as4", "as5", "as6", "as7", "as8", "as9",
-    "bs0", "bs1", "bs2", "bs3", "bs4", "bs5", "bs6", "bs7", "bs8", "bs9",
-    "cb0", "cb1", "cb2", "cb3", "cb4", "cb5", "cb6", "cb7", "cb8", "cb9",
-    "db0", "db1", "db2", "db3", "db4", "db5", "db6", "db7", "db8", "db9",
-    "eb0", "eb1", "eb2", "eb3", "eb4", "eb5", "eb6", "eb7", "eb8", "eb9",
-    "fb0", "fb1", "fb2", "fb3", "fb4", "fb5", "fb6", "fb7", "fb8", "fb9",
-    "gb0", "gb1", "gb2", "gb3", "gb4", "gb5", "gb6", "gb7", "gb8", "gb9",
-    "ab0", "ab1", "ab2", "ab3", "ab4", "ab5", "ab6", "ab7", "ab8", "ab9",
-    "bb0", "bb1", "bb2", "bb3", "bb4", "bb5", "bb6", "bb7", "bb8", "bb9",
-    "c#0", "c#1", "c#2", "c#3", "c#4", "c#5", "c#6", "c#7", "c#8", "c#9",
-    "d#0", "d#1", "d#2", "d#3", "d#4", "d#5", "d#6", "d#7", "d#8", "d#9",
-    "e#0", "e#1", "e#2", "e#3", "e#4", "e#5", "e#6", "e#7", "e#8", "e#9",
-    "f#0", "f#1", "f#2", "f#3", "f#4", "f#5", "f#6", "f#7", "f#8", "f#9",
-    "g#0", "g#1", "g#2", "g#3", "g#4", "g#5", "g#6", "g#7", "g#8", "g#9",
-    "a#0", "a#1", "a#2", "a#3", "a#4", "a#5", "a#6", "a#7", "a#8", "a#9",
-    "b#0", "b#1", "b#2", "b#3", "b#4", "b#5", "b#6", "b#7", "b#8", "b#9",
+    "c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9", "d0", "d1", "d2", "d3", "d4", "d5",
+    "d6", "d7", "d8", "d9", "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9", "f0", "f1",
+    "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
+    "g8", "g9", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "b0", "b1", "b2", "b3",
+    "b4", "b5", "b6", "b7", "b8", "b9", "cs0", "cs1", "cs2", "cs3", "cs4", "cs5", "cs6", "cs7",
+    "cs8", "cs9", "ds0", "ds1", "ds2", "ds3", "ds4", "ds5", "ds6", "ds7", "ds8", "ds9", "es0",
+    "es1", "es2", "es3", "es4", "es5", "es6", "es7", "es8", "es9", "fs0", "fs1", "fs2", "fs3",
+    "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", "gs0", "gs1", "gs2", "gs3", "gs4", "gs5", "gs6",
+    "gs7", "gs8", "gs9", "as0", "as1", "as2", "as3", "as4", "as5", "as6", "as7", "as8", "as9",
+    "bs0", "bs1", "bs2", "bs3", "bs4", "bs5", "bs6", "bs7", "bs8", "bs9", "cb0", "cb1", "cb2",
+    "cb3", "cb4", "cb5", "cb6", "cb7", "cb8", "cb9", "db0", "db1", "db2", "db3", "db4", "db5",
+    "db6", "db7", "db8", "db9", "eb0", "eb1", "eb2", "eb3", "eb4", "eb5", "eb6", "eb7", "eb8",
+    "eb9", "fb0", "fb1", "fb2", "fb3", "fb4", "fb5", "fb6", "fb7", "fb8", "fb9", "gb0", "gb1",
+    "gb2", "gb3", "gb4", "gb5", "gb6", "gb7", "gb8", "gb9", "ab0", "ab1", "ab2", "ab3", "ab4",
+    "ab5", "ab6", "ab7", "ab8", "ab9", "bb0", "bb1", "bb2", "bb3", "bb4", "bb5", "bb6", "bb7",
+    "bb8", "bb9", "c#0", "c#1", "c#2", "c#3", "c#4", "c#5", "c#6", "c#7", "c#8", "c#9", "d#0",
+    "d#1", "d#2", "d#3", "d#4", "d#5", "d#6", "d#7", "d#8", "d#9", "e#0", "e#1", "e#2", "e#3",
+    "e#4", "e#5", "e#6", "e#7", "e#8", "e#9", "f#0", "f#1", "f#2", "f#3", "f#4", "f#5", "f#6",
+    "f#7", "f#8", "f#9", "g#0", "g#1", "g#2", "g#3", "g#4", "g#5", "g#6", "g#7", "g#8", "g#9",
+    "a#0", "a#1", "a#2", "a#3", "a#4", "a#5", "a#6", "a#7", "a#8", "a#9", "b#0", "b#1", "b#2",
+    "b#3", "b#4", "b#5", "b#6", "b#7", "b#8", "b#9",
 ];
 
 pub fn tokenize_line(line: &str) -> Vec<Token> {