diff --git a/tools/e2e/65-song.mjs b/tools/e2e/65-song.mjs
index 06af30c0..1733f128 100644
--- a/tools/e2e/65-song.mjs
+++ b/tools/e2e/65-song.mjs
@@ -1052,6 +1052,7 @@ export async function song(t) {
     },
   });
   const playbacks = () => json('__gm.sound.playbacks()');
+  const heardFrom = t.consoleLog.length;
   await play();
   const game = await waitFor(playbacks, (list) => list[0]?.planned.length >= 4, 60);
   const [run] = game;
@@ -1102,10 +1103,18 @@ export async function song(t) {
   //       at 120 BPM, bar 2 again after bar 2's last beat as the loop goes round; On song marker
   //       runs each time round; the pause above held them with the clock. "late" is how long ago
   //       the beat was heard, and Song position, read then, stands that far into the beat.
-  const heardLines = async () =>
-    (await json('__gm.console.lines()'))
-      .map((line) => line.text)
-      .filter((text) => /(beat|marker) /.test(text));
+  //       Read from the page's console as the harness keeps it since Play, not from the panel: the
+  //       panel keeps the last 500 lines, and in the full suite other lines pushed beats out of it.
+  const heard = (text) => /(beat|marker) /.test(text);
+  const heardLines = async () => t.consoleLog.slice(heardFrom).filter(heard);
+  // What else the panel was filled with, the three lines most often there: says in the output of
+  // the check which leftover of an earlier step logs that much.
+  const panelBusiest = async () => {
+    const counts = new Map();
+    for (const { text } of await json('__gm.console.lines()'))
+      if (!heard(text)) counts.set(text.slice(0, 120), (counts.get(text.slice(0, 120)) ?? 0) + 1);
+    return [...counts].sort((a, b) => b[1] - a[1]).slice(0, 3);
+  };
   const heardSome = await waitFor(
     heardLines,
     (lines) => lines.filter((l) => l.includes('marker Round')).length >= 2,
@@ -1124,7 +1133,7 @@ export async function song(t) {
       counted.every((c, i) => c === expected[i]) &&
       markersHeard.length >= 2 &&
       beats.every((b) => b.late >= 0 && b.late <= 0.15 && Math.abs(b.fraction * 0.5 - b.late) < 0.02),
-    JSON.stringify({ beats, markersHeard: markersHeard.length }),
+    JSON.stringify({ beats, markersHeard: markersHeard.length, panelBusiest: await panelBusiest() }),
   );
   // 65k3. Music follows the game (#338): W held over a beat asks Switch song for "Half", bar 2 beat 3,
   //       on the next bar. The playing keeps its number on buses of its own, heard from that bar line
diff --git a/tools/e2e/66-video.mjs b/tools/e2e/66-video.mjs
index fdd223e1..602a4356 100644
--- a/tools/e2e/66-video.mjs
+++ b/tools/e2e/66-video.mjs
@@ -794,14 +794,21 @@ export async function video(t) {
       Math.abs(soughtPlayer.time - 0.5) < 0.05,
     JSON.stringify({ sought, soughtHeld, soughtPlayer }),
   );
+  // The reads end while the run still draws each frame: a read leaves the stage shifted to its pixel
+  // until the next drawing, and the editor, idle after Stop, would keep it so under every later
+  // click (e2e 67's Play missed).
   await t.evaluate(`window.__vd66s = [];
+    window.__vd66sOn = true;
     (function read() {
+      if (!window.__vd66sOn) return;
       const r = __gm.gameRect('${STEERED}');
       if (r) window.__vd66s.push(__gm.pixelAt(Math.round(r.x), Math.round(r.y)));
-      if (window.__vd66s.length < 150) requestAnimationFrame(read);
+      requestAnimationFrame(read);
     })();`);
   await press('g');
   await sleep(2200);
+  await t.evaluate('window.__vd66sOn = false');
+  await sleep(100);
   const playedFrames = await json('window.__vd66s.splice(0)');
   const finished = t.consoleLog.slice(finishedFrom).filter((line) => line.includes('vd66 finished'));
   await stop();