https://replicate.com/andreasjansson/musicgen-looper

 

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andreasjansson/musicgen-looper

Public Generate fixed-bpm loops from text prompts
3.3K runs
GitHub
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Demo API Examples Versions (f8140d04)

Run time and cost

Predictions run on Nvidia A100 (40GB) GPU hardware. Predictions
typically complete within 83 seconds. The predict time for this model
varies significantly based on the inputs.

Readme

MusicGen-Looper

Generate fixed-bpm loops from text prompts

How it works

First a piece of music is generated by running the prompt (appending
", {bpm} bpm") through MusicGen. Then BeatNet detects beats and
downbeats. An even number of bars is extracted from the output audio.

Variations are created by using MusicGen's continuation feature,
passing the last bar of the first variation as input to the
continuation model.

All variations are time stretched with Rubberband to match the
requested tempo exactly. If the actual tempo of the first variation
is +/-10 bpm from the requested tempo, an error is thrown.

Failure cases

  * BeatNet often struggles to pick the right downbeat, which causes
    loops to start on a different beat than 1.
  * MusicGen has its own limitations, e.g. it can't generate vocals

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