The ACE Step v1 Text to Song workflow is a sophisticated process that transforms text prompts into fully realized songs with vocals. Utilizing the ACE-Step model, this workflow supports multilingual inputs and allows for extensive style customization, making it a versatile tool for audio content creators. At its core, the workflow employs several key nodes such as TextEncodeAceStepAudio for converting text into audio representations, and VAEDecodeAudio for decoding the latent audio into a final output. The workflow also includes nodes like LatentApplyOperationCFG and ModelSamplingSD3, which are crucial for refining the audio output by applying configuration and sampling techniques. This workflow is particularly useful for generating unique audio content, as it provides users with the ability to control various aspects of the song, including vocal volume and style, through nodes like ConditioningZeroOut and LatentOperationTonemapReinhard.
API
Use this workflow from code
Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.
GET https://comfy.org/workflows/download/5d72bed48e89.jsonFetching workflow JSON…
Run it from Python or TypeScript with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.
# Install (beta)
pip install comfy-sdk # Python
npm i @comfyorg/sdk # TypeScript
# Run "ACE Step v1 Text to Song" (Python)
from comfy_sdk import Comfy
client = Comfy(api_key="comfyui-...")
# This workflow, exported in API format (see note below)
wf = client.workflows.from_file("audio_ace_step_1_t2a_song_api.json")
job = client.run(wf)
for output in job.get_outputs("59"): # SaveAudioMP3
output.to_file(output.name)The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API). API access requires a Comfy Cloud plan with an API key. SDK docs · Get an API key
FAQ
