works, with acestep-v15-xl-turbo, thanks

edited my start.js to use
...
env: {
MASTER_ADDR: "127.0.0.1",
VLLM_HOST_IP: "127.0.0.1",
ACESTEP_LM_BACKEND: "pt",
ACESTEP_LM_OFFLOAD_TO_CPU: "true",
ACESTEP_CONFIG_PATH: "acestep-v15-xl-turbo"
},
...

my generated music is horrible but that's a skill issue.