Documentation
Everything about making songs with Weavy Studio — from the first render to the REST API.
Getting startedMake your first song in Weavy Studio: sign in, write lyrics, describe a style, render several takes and download the best one.Engines: YuE2, HeartMuLa, ACE-StepWeavy Studio runs three open music models. What each is good at, what it reads, its licence, and when to pick it.Writing lyricsHow to format lyrics for YuE2: section tags, line length, repeats, languages and what to avoid.Styles and voiceDescribe genre, instruments, voice, mood, tempo and key as tags so YuE2 produces the sound you want. Includes fixes for reverb-heavy vocals.All settings explainedEvery Weavy Studio / YuE2 control: composition mode, style strength (CFG), takes, seed, length, ABC score and per-stage sampling (temperature, top-p, top-k, repetition penalty).Covers, extend, repaint, accompaniment, stemsWork from existing audio: cover a song with any engine, extend or repaint part of a take, build a band around a vocal, split a take into stems.Artist voices (LoRA)Train an ACE-Step voice LoRA for any act in the WeavyAudio catalogue and use it for new songs, covers and edits.Lyrics with AIWrite or rewrite song lyrics with Claude in any language, shaped for the singing models.Files and formatsWhat you get from every render: 48 kHz 24-bit stereo FLAC, 320 kbps MP3, the ABC score, the effective settings and a waveform.API quickstartCreate an API key and generate songs over HTTP: create generations, poll status, download FLAC/MP3, cancel and delete. curl examples.API referenceEvery endpoint, field and error, generated from the OpenAPI 3.1 document.