diff --git a/packages/codemirror/codemirror.mjs b/packages/codemirror/codemirror.mjs
index 193d96b55..f47f6eba5 100644
--- a/packages/codemirror/codemirror.mjs
+++ b/packages/codemirror/codemirror.mjs
@@ -1,7 +1,7 @@
 import { closeBrackets } from '@codemirror/autocomplete';
 export { toggleComment, toggleBlockComment, toggleLineComment, toggleBlockCommentByLine } from '@codemirror/commands';
 // import { search, highlightSelectionMatches } from '@codemirror/search';
-import { history } from '@codemirror/commands';
+import { history, indentWithTab } from '@codemirror/commands';
 import { javascript } from '@codemirror/lang-javascript';
 import { defaultHighlightStyle, syntaxHighlighting, bracketMatching } from '@codemirror/language';
 import { Compartment, EditorState, Prec } from '@codemirror/state';
@@ -37,6 +37,14 @@ const extensions = {
   isActiveLineHighlighted: (on) => (on ? [highlightActiveLine(), highlightActiveLineGutter()] : []),
   isFlashEnabled,
   keybindings,
+  isTabIndentationEnabled: (on) => (on ? keymap.of([indentWithTab]) : []),
+  isMultiCursorEnabled: (on) =>
+    on
+      ? [
+          EditorState.allowMultipleSelections.of(true),
+          EditorView.clickAddsSelectionRange.of((ev) => ev.metaKey || ev.ctrlKey),
+        ]
+      : [],
 };
 const compartments = Object.fromEntries(Object.keys(extensions).map((key) => [key, new Compartment()]));
 
@@ -51,6 +59,8 @@ export const defaultSettings = {
   isFlashEnabled: true,
   isTooltipEnabled: false,
   isLineWrappingEnabled: false,
+  isTabIndentationEnabled: false,
+  isMultiCursorEnabled: false,
   theme: 'strudelTheme',
   fontFamily: 'monospace',
   fontSize: 18,
diff --git a/packages/codemirror/keybindings.mjs b/packages/codemirror/keybindings.mjs
index 6fe00eda1..1201959a2 100644
--- a/packages/codemirror/keybindings.mjs
+++ b/packages/codemirror/keybindings.mjs
@@ -21,11 +21,11 @@ const vscodeExtension = (options) => [vscodePlugin].concat(options ?? []);
 const keymaps = {
   vim,
   emacs,
+  codemirror: () => keymap.of(defaultKeymap),
   vscode: vscodeExtension,
 };
 
 export function keybindings(name) {
   const active = keymaps[name];
-  return [keymap.of(defaultKeymap), keymap.of(historyKeymap), active ? active() : []];
-  // keymap.of(searchKeymap),
+  return [active ? active() : [], keymap.of(historyKeymap)];
 }
diff --git a/packages/mondough/mondough.mjs b/packages/mondough/mondough.mjs
index 6e8278939..15feb5d86 100644
--- a/packages/mondough/mondough.mjs
+++ b/packages/mondough/mondough.mjs
@@ -42,6 +42,7 @@ lib['%'] = pace;
 lib['?'] = degradeBy; // todo: default 0.5 not working..
 lib[':'] = tail;
 lib['..'] = range;
+lib['def'] = () => silence;
 lib['or'] = (...children) => chooseIn(...children); // always has structure but is cyclewise.. e.g. "s oh*8.dec[.04 | .5]"
 //lib['or'] = (...children) => chooseOut(...children); // "s oh*8.dec[.04 | .5]" is better but "dec[.04 | .5].s oh*8" has no struct
 
diff --git a/website/src/pages/learn/mondo-notation.mdx b/website/src/pages/learn/mondo-notation.mdx
index 3b00b9902..e2b0c4027 100644
--- a/website/src/pages/learn/mondo-notation.mdx
+++ b/website/src/pages/learn/mondo-notation.mdx
@@ -176,3 +176,16 @@ $ chord <Dm9!3 Db7> # voicing
 />
 
 The `$` sign is an alias for `,` so it will create a stack behind the scenes.
+
+## variables
+
+using the `def` keyword, you can define variables:
+
+<MiniRepl
+  client:idle
+  mondo
+  tune={`
+$ def melody [0 1 2 3]
+$ n melody # scale C:minor
+`}
+/>
diff --git a/website/src/repl/components/panel/SettingsTab.jsx b/website/src/repl/components/panel/SettingsTab.jsx
index 5be9b602e..cf2978a1a 100644
--- a/website/src/repl/components/panel/SettingsTab.jsx
+++ b/website/src/repl/components/panel/SettingsTab.jsx
@@ -109,6 +109,8 @@ export function SettingsTab({ started }) {
     togglePanelTrigger,
     maxPolyphony,
     multiChannelOrbits,
+    isTabIndentationEnabled,
+    isMultiCursorEnabled,
   } = useSettings();
   const shouldAlwaysSync = isUdels();
   const canChangeAudioDevice = AudioContext.prototype.setSinkId != null;
@@ -262,6 +264,16 @@ export function SettingsTab({ started }) {
           onChange={(cbEvent) => settingsMap.setKey('isLineWrappingEnabled', cbEvent.target.checked)}
           value={isLineWrappingEnabled}
         />
+        <Checkbox
+          label="Enable Tab indentation"
+          onChange={(cbEvent) => settingsMap.setKey('isTabIndentationEnabled', cbEvent.target.checked)}
+          value={isTabIndentationEnabled}
+        />
+        <Checkbox
+          label="Enable Multi-Cursor (Cmd/Ctrl+Click)"
+          onChange={(cbEvent) => settingsMap.setKey('isMultiCursorEnabled', cbEvent.target.checked)}
+          value={isMultiCursorEnabled}
+        />
         <Checkbox
           label="Enable flashing on evaluation"
           onChange={(cbEvent) => settingsMap.setKey('isFlashEnabled', cbEvent.target.checked)}
diff --git a/website/src/settings.mjs b/website/src/settings.mjs
index 84b433141..3d99b656c 100644
--- a/website/src/settings.mjs
+++ b/website/src/settings.mjs
@@ -21,6 +21,8 @@ export const defaultSettings = {
   isSyncEnabled: false,
   isLineWrappingEnabled: false,
   isPatternHighlightingEnabled: true,
+  isTabIndentationEnabled: false,
+  isMultiCursorEnabled: false,
   theme: 'strudelTheme',
   fontFamily: 'monospace',
   fontSize: 18,
@@ -77,6 +79,8 @@ export function useSettings() {
     isLineWrappingEnabled: parseBoolean(state.isLineWrappingEnabled),
     isFlashEnabled: parseBoolean(state.isFlashEnabled),
     isSyncEnabled: isUdels() ? true : parseBoolean(state.isSyncEnabled),
+    isTabIndentationEnabled: parseBoolean(state.isTabIndentationEnabled),
+    isMultiCursorEnabled: parseBoolean(state.isMultiCursorEnabled),
     fontSize: Number(state.fontSize),
     panelPosition: state.activeFooter !== '' && !isUdels() ? state.panelPosition : 'bottom', // <-- keep this 'bottom' where it is!
     isPanelPinned: parseBoolean(state.isPanelPinned),