diff --git a/assets/index-6f653c26.js.gz b/assets/index-6f653c26.js.gz
deleted file mode 100644
index d681fc7..0000000
Binary files a/assets/index-6f653c26.js.gz and /dev/null differ
diff --git a/assets/index-6f653c26.js b/assets/index-7b286c0c.js
similarity index 99%
rename from assets/index-6f653c26.js
rename to assets/index-7b286c0c.js
index 0441494..fa4396d 100644
--- a/assets/index-6f653c26.js
+++ b/assets/index-7b286c0c.js
@@ -2900,14 +2900,16 @@ z1('_e 1@east:2 4@bd:3 6@arp:2 9@baa').sound().out()
   ${e("Element-wise operations for melodic generation",`
   z1("1/8 _ 0 (0 1 3)+(1 2) 0 (2 3 5)-(1 2)").sound('sine')
     .scale('pentatonic').fmi([0.25,0.5].beat(2)).fmh([2,4].beat(2))
-    .room(0.9).size(0.9).sustain(0.1).delay(0.5).delay(0.125)
+    .room(0.9).size(0.9).sustain(0.1).delay(0.125)
     .delayfb(0.25).out();
   `,!0)}
 
   ${e("List operations",`
-  z1('q (0 3 1 5)+(2 5) e (0 5 2)*(2 3) (0 5 2)>>(2 3) (0 5 2)%(2 3)').sound('sine')
-  .scale("Bebop major")
-  .out()
+    z1('q (0 3 1 5)+(2 5) e (0 5 2)*(2 1) (0 5 2)%(2 3)')
+    .sound('sine')
+    .room(.5).size(1.0).adsr(.15,.15,.25,.1)
+    .scale("Bebop major")
+    .out()
   `,!0)}
   
   * **Random numbers:** <ic>(4,6)</ic> Random number between 4 and 6
@@ -2920,14 +2922,31 @@ z1('_e 1@east:2 4@bd:3 6@arp:2 9@baa').sound().out()
     .delay(0.125).delayfb(0.25).out();
   beat(.5) :: snd(['kick', 'hat'].beat(.5)).out()
   `,!0)}
+  
+## Variables
 
-  ${e("Random numbers",`
-  z1('q 0 (2,4) 4 (5,9)').sound('sine')
-  .scale("Bebop minor")
+  * <ic>A=(0 2 3 (1,4))</ic> Assign pre-evaluated list to a variable
+  * <ic>B~(0 2 3 (1,4))</ic> Assign list with operations to a variable
+
+  ${e("Assign lists to variables",`
+z1("s A=(0 (1,4)) B~(2 (3,8)) A B A B A")
+  .scale("modimic")
+  .sound("triangle")
+  .adsr(0.01,0.15,0.25,0)
+  .gain(0.5)
   .out()
   `,!0)}
-  
-  * **Variables:** <ic>A=(0 2 3 4)</ic> Assign a list to a variable
+
+  ${e("Combine variables into lists and do operations",`
+    z1("s A=(0 3) B=(3 8) C=(((A+B)+A)*B) D=(C-B) A A+C D")
+    .sound("sawtooth")
+    .ad(0.05,1.0)
+    .gain(0.5)
+    .out()    
+  `,!0)}
+
+
+
 
 `},NY=r=>{const e=vt(r);return`
 # Tonnetz
diff --git a/assets/index-7b286c0c.js.gz b/assets/index-7b286c0c.js.gz
new file mode 100644
index 0000000..1521495
Binary files /dev/null and b/assets/index-7b286c0c.js.gz differ
diff --git a/index.html b/index.html
index 00aa480..3e97074 100644
--- a/index.html
+++ b/index.html
@@ -14,7 +14,7 @@
     
     
     <script src="https://unpkg.com/hydra-synth"></script>
-    <script type="module" crossorigin src="/assets/index-6f653c26.js"></script>
+    <script type="module" crossorigin src="/assets/index-7b286c0c.js"></script>
     <link rel="stylesheet" href="/assets/index-47ebc84b.css">
   <link rel="manifest" href="/manifest.webmanifest"></head>
   <style>
diff --git a/index.html.gz b/index.html.gz
index cad6e19..701b7d7 100644
Binary files a/index.html.gz and b/index.html.gz differ
diff --git a/sw.js b/sw.js
index 8dfe761..3f377e9 100644
--- a/sw.js
+++ b/sw.js
@@ -1 +1 @@
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+if(!self.define){let s,e={};const l=(l,o)=>(l=new URL(l+".js",o).href,e[l]||new Promise((e=>{if("document"in self){const s=document.createElement("script");s.src=l,s.onload=e,document.head.appendChild(s)}else s=l,importScripts(l),e()})).then((()=>{let s=e[l];if(!s)throw new Error(`Module ${l} didn’t register its module`);return s})));self.define=(o,n)=>{const i=s||("document"in self?document.currentScript.src:"")||location.href;if(e[i])return;let r={};const u=s=>l(s,i),a={module:{uri:i},exports:r,require:u};e[i]=Promise.all(o.map((s=>a[s]||u(s)))).then((s=>(n(...s),r)))}}define(["./workbox-0f370d1d"],(function(s){"use strict";self.skipWaiting(),s.clientsClaim(),s.precacheAndRoute([{url:"assets/apple-touch-icon-77f1cce1.png",revision:null},{url:"assets/ComicMono-742af5ad.woff",revision:null},{url:"assets/ComicMono-bed2c2b5.woff2",revision:null},{url:"assets/ComicMono-Bold-2350c6c1.woff",revision:null},{url:"assets/IBMPlexMono-Bold-3152ee89.woff2",revision:null},{url:"assets/IBMPlexMono-Bold-6bb3fd98.woff",revision:null},{url:"assets/IBMPlexMono-BoldItalic-5cd662b9.woff",revision:null},{url:"assets/IBMPlexMono-BoldItalic-6f4d360c.woff2",revision:null},{url:"assets/IBMPlexMono-Italic-30cb963d.woff2",revision:null},{url:"assets/IBMPlexMono-Italic-fc3301da.woff",revision:null},{url:"assets/IBMPlexMono-Regular-06ba2f2e.woff",revision:null},{url:"assets/IBMPlexMono-Regular-82ad22f5.woff2",revision:null},{url:"assets/index-47ebc84b.css",revision:null},{url:"assets/index-7b286c0c.js.gz",revision:null},{url:"assets/JetBrainsMono-Bold-c503cc5e.woff2",revision:null},{url:"assets/JetBrainsMono-Regular-a9cb1cd8.woff2",revision:null},{url:"assets/jgs_vecto-e7fb4a88.woff2",revision:null},{url:"assets/jgs5-0e03e537.woff2",revision:null},{url:"assets/jgs5-9f26a38a.woff",revision:null},{url:"assets/jgs7-a69a9a5d.woff2",revision:null},{url:"assets/jgs7-d3f51478.woff",revision:null},{url:"assets/jgs9-0c41ef37.woff",revision:null},{url:"assets/jgs9-dc75d6ab.woff2",revision:null},{url:"assets/many_universes-d74e86dc.svg",revision:null},{url:"assets/pulses-30df7a48.svg",revision:null},{url:"assets/safari-pinned-tab-61a1253d.svg",revision:null},{url:"assets/Steps-Mono-aff9e933.woff2",revision:null},{url:"assets/Steps-Mono-Thin-b82a0d7e.woff2",revision:null},{url:"assets/times-1426387b.svg",revision:null},{url:"assets/topos_arch-db355d32.svg",revision:null},{url:"assets/topos_frog-e8ab87d1.svg",revision:null},{url:"assets/workbox-window.prod.es5-a7b12eab.js",revision:null},{url:"assets/workbox-window.prod.es5-a7b12eab.js.gz",revision:null},{url:"index.html",revision:"0699af0c2d38ef992f589d7c0c582f70"},{url:"manifest.webmanifest",revision:"57ee5fb60f9f17e5897fa9d47daea92a"}],{}),s.cleanupOutdatedCaches(),s.registerRoute(new s.NavigationRoute(s.createHandlerBoundToURL("index.html"))),s.registerRoute((({url:s})=>[/^https:\/\/raw\.githubusercontent\.com\/.*/i,/^https:\/\/shabda\.ndre\.gr\/.*/i].some((e=>e.test(s)))),new s.CacheFirst({cacheName:"external-samples",plugins:[new s.ExpirationPlugin({maxEntries:5e3,maxAgeSeconds:2592e3}),new s.CacheableResponsePlugin({statuses:[0,200]})]}),"GET")}));