How to loop and slow down a YouTube video for music practice
Updated
Put a loop around the passage you cannot play yet, a bar or a phrase plus one beat before it, and slow it to 0.5× or 0.75×. Play along until you get it right several times in a row, then raise the speed one step and repeat until you are back at 1×. Finally, join it to the bars around it. YouTube can slow a video down on its own (Settings → Playback speed), but its loop repeats the whole video. To repeat just the passage, with exact start and end points and the speed kept for next time, you need a looper such as ClipBack.
Key facts
- Speeds: 0.25× to 2×, in steps of 0.25 in YouTube’s embedded player, the one ClipBack plays through.
- Pitch: slowing down does not change the key. A passage at half speed stays in tune, it does not drop an octave.
- YouTube’s own loop repeats the whole video. It has no start or end point.
- A practice loop should be short: as long as the problem, with a beat of run-in before it.
- Slow practice builds accuracy, but mix in short loops at full speed too (see below).
The method: loop, slow down, build back up
- Find the exact trouble spot. Not “the solo”, but the two beats inside it where your hands go wrong.
- Loop it with a run-in. Start the loop a beat or two before the hard part, so every repeat gives you a count-in, and end it just after.
- Slow it down to the speed where you can play it cleanly: usually 0.5× for something new, 0.75× for something nearly there.
- Get it right several times in a row before you change anything. Three clean repeats is a common rule of thumb. A single lucky one does not count.
- Step up one speed at a time: 0.5× → 0.75× → 1×. If a step falls apart, go back one and stay there a little longer.
- Join it up. Make the loop longer, or loop the bars on each side, so the passage connects to what comes before and after it.
Expect this to take more than one session. The step that feels like no progress, playing the same four seconds at 0.75× for the tenth time, is the one that makes the passage stick.
Which speed for what
| Speed | Use it for |
|---|---|
| 0.25× | Working out what is being played: which notes, which fingering, which drum hits in a fill. Too slow to play along with in time. |
| 0.5× | Learning a new passage. Slow enough to be accurate, fast enough to keep a pulse. |
| 0.75× | Building speed once it is clean at half speed. |
| 1× | Playing it for real, and short full-speed bursts from the start (see below). |
When slow practice is not enough
Slow practice is the standard advice, and it is good for accuracy. But some movements work differently at speed: a strumming hand, a fast run or a drum fill can be played slowly in a way that does not survive at tempo. Noa Kageyama, a performance psychologist on the Juilliard faculty, points to motor-learning research in which practising for speed first produced better mechanics than practising for accuracy first.
The practical fix is to use both. Next to your slow loop, make a very short loop at 1× of just the first few notes, get it clean, then extend the end point a little at a time. That is only possible when the loop points are exact, which is why they matter so much for practice.
Setting it up in ClipBack
- Paste the lesson or song into ClipBack, or change
youtube.comtoclipback.tvin the address bar. - Mark the passage. Drag the handles, then use the fine-adjust track to land them to the millisecond. Turn on Snapback and the player jumps to each handle as you move it, so you hear where the loop starts instead of guessing.
- Pick the speed from the speed menu in the control bar.
- Name it and create it. The speed is saved with the loop, so it reopens at 0.5× tomorrow instead of resetting to normal.
Make one loop per trouble spot rather than one long loop for the whole song. Signed in, you can group a song’s loops into a playlist and play them in order, which is a quick way to rehearse the joins. To drill two or three trouble spots back to back without switching loops, chain them into one loop with + Add section; see how to loop multiple parts of a video in a row.
Practising from your phone with only the sound? Pocket lock blacks out the screen and ignores touches while the loop keeps playing, so a stray tap does not stop it. It keeps the screen from timing out; it is not background playback, so pressing the power button stops the loop.
Limits worth knowing
- Speed comes in steps of 0.25. There is no 0.6× or 0.85×, because YouTube’s embedded player does not offer them.
- There is no built-in metronome. The recording is your tempo reference.
- Some videos cannot be looped: if the owner has turned off embedding, the video only plays on youtube.com.
To send a practice loop to a teacher or bandmate, share its link: it opens at the same section and the same speed. For other ways to share a moment of a video, see how to share a YouTube video with a start and end time.
Frequently asked questions
What speed should I start practising a passage at?
Slow enough to play it cleanly several times in a row, which for a hard passage is usually 0.5× or 0.75×. If you still stumble at 0.5×, make the loop shorter rather than going slower still.
How long should a practice loop be?
As short as the problem. A single fill or a tricky change can be a two- to four-second loop; a riff or a sung phrase is often five to fifteen. Start the loop a beat before the hard part, so every repeat gives you a count-in.
Should I always practise slowly?
Not only slowly. Slow practice builds accuracy, but some movements work differently at full speed. Mix in very short loops at 1×, just a few notes long, and lengthen them as they get clean.
Can I send a practice loop to my teacher or band?
Yes. A ClipBack loop has its own link, and it opens at the speed it was saved at, so whoever you send it to hears the same section at the same tempo.