diff --git a/src/classes/SoundEvent.ts b/src/classes/SoundEvent.ts
index 2d33a16..a830c22 100644
--- a/src/classes/SoundEvent.ts
+++ b/src/classes/SoundEvent.ts
@@ -14,6 +14,47 @@ export class SoundEvent extends AudibleEvent {
     else this.values = sound;
   }
 
+  fmenv = (value: "lin" | "exp"): this => {
+    this.values["fmenv"] = value;
+    return this;
+  };
+
+  fmattack = (value: number): this => {
+    this.values["fmattack"] = value;
+    return this;
+  };
+  fmatk = this.fmattack;
+
+  fmdecay = (value: number): this => {
+    this.values["fmdecay"] = value;
+    return this;
+  };
+  fmdec = this.fmdecay;
+
+  fmsustain = (value: number): this => {
+    this.values["fmsustain"] = value;
+    return this;
+  };
+  fmsus = this.fmsustain;
+
+  fmrelease = (value: number): this => {
+    this.values["fmrelease"] = value;
+    return this;
+  };
+  fmrel = this.fmrelease;
+
+  fmvelocity = (value: number): this => {
+    this.values["fmvelocity"] = value;
+    return this;
+  };
+  fmvel = this.fmvelocity;
+
+  fmwave = (value: "sine" | "triangle" | "sawtooth" | "square"): this => {
+    this.values["fmwave"] = value;
+    return this;
+  };
+  fmw = this.fmwave;
+
   attack = (value: number): this => {
     this.values["attack"] = value;
     return this;
diff --git a/yarn.lock b/yarn.lock
index 28c61e1..6fa3a8e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1272,10 +1272,10 @@ sucrase@^3.32.0:
     pirates "^4.0.1"
     ts-interface-checker "^0.1.9"
 
-superdough@^0.9.5:
-  version "0.9.5"
-  resolved "https://registry.yarnpkg.com/superdough/-/superdough-0.9.5.tgz#316b9fa9699cf1b86285e65c4084c4e2ea4489dd"
-  integrity sha512-PcEzWaD9oQ6apDCLmQq9OtyiAVB+Ell4U3RsYTR48L6jTssZILfYEG8pzHVf06QHeCl0rhl3/QlgO5Vf9HKMkg==
+superdough@^0.9.6:
+  version "0.9.6"
+  resolved "https://registry.yarnpkg.com/superdough/-/superdough-0.9.6.tgz#4955827d01d6fd56a24beca50cd310b690519e14"
+  integrity sha512-f6Aey9+qDJ+NHTuIRO3hXBAhuxg1Z7TeSAdKbG9yrSbfDGcqOWN3Gmfy5ZKe3s34djHWnMotRIHCfzuJcuabuA==
   dependencies:
     nanostores "^0.8.1"