Music Generation Parameters

1. Custom Creation Mode - Standard Generation

Parameter	Type	Description	Notes
title	String	Music title	-
tags	String	Music style	Separate multiple values with commas
generation_type	String	Generation type	Default is TEXT
prompt	String	Music creation prompt	Includes but not limited to lyrics
negative_tags	String	Unwanted styles	Can be empty string
mv	String	Model	Default is chirp-v4. Options: chirp-v3-5, chirp-v3-0. Use chirp-v3-5-upload when uploading audio
metadata	Object	Custom parameters	Contains create_mode: custom, vocal_gender: "m"/"f". m for male, f for female

2. Custom Creation Mode - Continuation

Parameter	Type	Description	Notes
title	String	Music title	-
tags	String	Music style	Separate multiple values with commas
generation_type	String	Generation type	Default is TEXT
prompt	String	Music creation prompt	Includes but not limited to lyrics
negative_tags	String	Unwanted styles	Can be empty string
mv	String	Model	Default is chirp-v4. Options: chirp-v3-5, chirp-v3-0
continue_at	Float	Continuation start time	Start time in seconds for continuation. Example: 120.00 or 61.59
continue_clip_id	String	Continuation song ID	ID of the song to continue
task	String	Task type	Default is extend

3. Custom Creation Mode - Upload Generation

Parameter	Type	Description	Notes
prompt	String	Music creation prompt	Can be empty string
generation_type	String	Generation type	Default is TEXT
tags	String	Music style	Separate multiple values with commas
negative_tags	String	Unwanted styles	Can be empty string
mv	String	Model	Use chirp-v3-5-tau
title	String	Music title	-
continue_clip_id	String	Continuation song ID	Optional, can be null
continue_at	Float	Continuation start time	Optional, can be null
continued_aligned_prompt	String	Aligned prompt for continuation	Optional, can be null
infill_start_s	Float	Fill start time (seconds)	Optional, can be null
infill_end_s	Float	Fill end time (seconds)	Optional, can be null
task	String	Task type	Fixed as cover when using Cover feature
cover_clip_id	String	Cover ID	Original song ID or uploaded audio clip ID to cover