Stairway2Fast Open the app — free

Slow down YouTube bass practice

Paste any YouTube bass cover or lesson into Stairway2Fast and it becomes a practice loop: frame the bars where the line gets busy, drop the speed to

0.75× or 0.5× — the pitch stays put, so the low end stays where it lives — and repeat until it's in your fingers. Free, in your browser, no signup.

▶ Try it live — no signup opens a Can't Stop bass cover in the practice player

How it works

  1. Paste a YouTube link. Any cover, lesson, or play-through — if it plays on YouTube, it loops here, through YouTube's own player.
  2. Frame the hard part. Two handles on the timeline mark the exact bars — the fill into the chorus, the ghost-note figure, the position shift. The loop stays locked while you play along.
  3. Drop the speed. 0.25×–2× in steps, pitch unchanged — a low E stays a low E instead of dropping into rumble. Climb back up one notch at a time as the line tightens.

The part other loopers don't do: it remembers

Plenty of tools can loop and slow a YouTube video — and then forget you were ever there. Close the tab, and tomorrow you're hunting for the verse riff's timestamp again and guessing what speed you'd worked up to.

Stairway2Fast keeps the record. Every video remembers its loops (name them — "verse riff", "slap break") and the speed you left off at. Every minute of practice logs automatically against the video and the section. After a couple of weeks you can see the thing that actually builds a bass player: the day the line you started at 0.6× finally grooved at 0.9×. Streaks, a practice stairway, per-song history — earned, not typed in.

Bass-specific tips

Free vs Pro, honestly

Everything above — looping, slow-down, named loops, all the practice tracking and stats — is free, with no account. Uploading your own recordings to practise is free too — they stay on the device you added them on. Sign up (also free) and your library and history sync across devices. Pro (£4.99/$6 per month) adds the cloud layer: your uploads on every device, plus track-splitting — split an uploaded song into its instrument tracks — bass is one of the cleanest stems, so you can study a line with everything else out of the way.

FAQ

Does slowing down change the pitch?

No. Playback uses pitch-preserving time-stretch, so the bassline stays in its register at 0.5×. That matters more on bass than anywhere else — an octave-shifted or smeared low end is unlearnable.

Do I need an account?

No. Open the app and practise as a guest — loops, speeds, and history are kept in your browser. Create a free account when you want it synced across devices; everything migrates automatically.

Is this allowed by YouTube?

Yes. The video plays in YouTube's own embedded player, and speed/loop control uses YouTube's public, documented player API. Nothing is downloaded, ripped, or re-hosted.

Can it slow down any bass cover?

Any video that allows embedding (nearly all covers and lessons do). If a channel has disabled embeds, YouTube blocks playback outside youtube.com — no looper can change that.

What speeds work best for basslines?

0.25× to 2× in steps. For most bass work 0.6×–0.85× is the sweet spot: slow enough to place ghost notes cleanly, fast enough that the groove still feels like a groove.

How is this different from YouTube's built-in speed setting?

YouTube can slow a whole video; it can't loop a section, remember your spot, or tell you anything about last week. Here the loop, the speed, and your history live with the video — that's what turns watching into practising.


Get inside the groove. Open a cover, frame the busy bars, slow them down — and watch yourself climb back to full speed, week after week.

▶ Start practising — free, no signup