Tempo changer
Slow down the difficult bar
Adjust playback speed for focused practice without changing pitch.
Hear it on the demo
You changed the setup. Put it back to hear this tool again.
Real stems from Jam. Press play to hear them.

Sweet Little RhythmDemaj
Actual demo song. Separated, charted and timed by Jam.
Build accuracy at a speed that makes sense.
Slow the song down without dropping the key, loop the bar you are learning, and bring it back up to speed as it settles under your fingers.
Speed
Slower, same key. Jam keeps the pitch where it was.
Key
Same speed, new key. The chords above change with it.
How it works
Open a song in Jam.
Slow it down or speed it up without changing the key.
Loop the hard section until it feels natural.
Results depend on the recording. Dense mixes, live recordings and heavy effects separate less cleanly, so check what you hear against the original.
Only add music you have the rights to use. The songs you add stay in your library unless you choose to share them.
It all happens in one studio. The song you add here is ready for the mixer, chords, lyrics, speed, key and recording too.
More ways to practise.
Every tool opens the same studio, so a song you add for one is ready for all of them.
- Vocal removerMake an instrumental to practise withVocals out
- Stem separatorHear the parts of a songSix parts
- Chord finderFind the harmony, then slow it downChords in time
- Karaoke makerMake space for your voiceVocals out, lyrics on
- Instrument isolatorListen closer to a partOne part on its own
- Pitch changerPractise in a key that fitsChange the key
- Song looperRepeat the part you’re learningLoop a passage
Tempo changer, ready when you are.
Sign up free to add your own songs and keep your mixes.