diff --git a/apps/x/apps/renderer/scripts/generate-tour-audio.mjs b/apps/x/apps/renderer/scripts/generate-tour-audio.mjs
index 2a180179..26d1535a 100644
--- a/apps/x/apps/renderer/scripts/generate-tour-audio.mjs
+++ b/apps/x/apps/renderer/scripts/generate-tour-audio.mjs
@@ -10,6 +10,10 @@
  * Run whenever a step's narration text or the tour voice changes:
  *   cd apps/x && npm run deps   # script imports core's built output
  *   node apps/renderer/scripts/generate-tour-audio.mjs
+ *
+ * Pass step ids to regenerate only those clips (e.g. to re-roll one whose
+ * synthesis came out glitchy):
+ *   node apps/renderer/scripts/generate-tour-audio.mjs welcome done
  */
 import { mkdir, readFile, writeFile } from 'node:fs/promises'
 import path from 'node:path'
@@ -29,15 +33,24 @@ if (start === -1 || end === -1) throw new Error('Could not locate TOUR_STEPS in
 const block = src.slice(start, end)
 
 const steps = []
-const re = /id: '([^']+)'[\s\S]*?text:\s*("[^"]*"|'[^']*')/g
+// voiceText, when present, is the spoken variant of the bubble text.
+const re = /id: '([^']+)'[\s\S]*?text:\s*("[^"]*"|'[^']*')(?:,\s*voiceText:\s*("[^"]*"|'[^']*'))?/g
 for (let m; (m = re.exec(block)); ) {
-    // The capture is a JS string literal from our own source; evaluate it to
-    // resolve the quoting.
-    steps.push({ id: m[1], text: new Function(`return ${m[2]}`)() })
+    // The captures are JS string literals from our own source; evaluate them
+    // to resolve the quoting.
+    steps.push({ id: m[1], text: new Function(`return ${m[3] ?? m[2]}`)() })
 }
 if (steps.length === 0) throw new Error('Parsed zero tour steps — regex out of sync with product-tour.tsx?')
 console.log(`Parsed ${steps.length} tour steps`)
 
+const only = process.argv.slice(2)
+if (only.length > 0) {
+    const unknown = only.filter((id) => !steps.some((s) => s.id === id))
+    if (unknown.length > 0) throw new Error(`Unknown step ids: ${unknown.join(', ')}`)
+    steps.splice(0, steps.length, ...steps.filter((s) => only.includes(s.id)))
+    console.log(`Regenerating only: ${only.join(', ')}`)
+}
+
 await mkdir(outDir, { recursive: true })
 for (const step of steps) {
     process.stdout.write(`synthesizing ${step.id}... `)
diff --git a/apps/x/apps/renderer/src/assets/tour/welcome.mp3 b/apps/x/apps/renderer/src/assets/tour/welcome.mp3
index de478f4f..846fc872 100644
Binary files a/apps/x/apps/renderer/src/assets/tour/welcome.mp3 and b/apps/x/apps/renderer/src/assets/tour/welcome.mp3 differ
diff --git a/apps/x/apps/renderer/src/components/product-tour.tsx b/apps/x/apps/renderer/src/components/product-tour.tsx
index 45fe43b3..b6e5fe8d 100644
--- a/apps/x/apps/renderer/src/components/product-tour.tsx
+++ b/apps/x/apps/renderer/src/components/product-tour.tsx
@@ -40,6 +40,8 @@ type TourStep = {
   vignette?: TourVignetteKind
   title: string
   text: string
+  /** Spoken narration, when it should differ from the bubble text. */
+  voiceText?: string
 }
 
 const TOUR_STEPS: TourStep[] = [
@@ -47,6 +49,7 @@ const TOUR_STEPS: TourStep[] = [
     id: 'welcome',
     title: 'All aboard! ⚓',
     text: "I'm your captain for the next minute. The lights are down and the water's in — let me row you across Rowboat, one stop at a time. Use Next or your arrow keys.",
+    voiceText: "I'm your captain for the next minute. The lights are down and the water's in — let me row you across Rowboat, one stop at a time.",
   },
   {
     id: 'home',
@@ -518,7 +521,7 @@ export function ProductTour({
         if (clip) {
           speakUrlRef.current(clip)
         } else if (ttsAvailableRef.current) {
-          speakRef.current(step.text)
+          speakRef.current(step.voiceText ?? step.text)
         }
         if (stepIndex === TOUR_STEPS.length - 1) {
           setConfettiOn(true)