app.py

import gradio as gr
from unidecode import unidecode
from musc.model import PretrainedModel

Model = PretrainedModel(instrument='violin').to("cpu")

def transcribe_and_generate_midi(wav_file_path, model=Model, batch_size=32, postprocessing='spotify'):
    model.transcribe(wav_file_path, batch_size=batch_size, postprocessing=postprocessing).write("output.mid")
    return "output.mid"
gr.Interface(
    fn=transcribe_and_generate_midi, 
    inputs=gr.Audio(label="Upload your WAV file",type="filepath"), 
    outputs=gr.File(label="Download MIDI file"),
    live=False,
    title="Violin to MIDI Converter",
    description="Upload a WAV file of a violin performance, and it will be transcribed into MIDI format."
).launch()