music_generator by Python

Install

pip install numpy

pip install mido

pip install soundfile

pip install streamlit

Code

import numpy as np

import soundfile as sf

import streamlit as st

from mido import Message, MidiFile, MidiTrack

import random

def create_random_melody(style, instrument, duration=180):

    """

    Generates a random melody and saves it as a MIDI file.

    Args:

        style (str): The selected music style ('Calm', 'Bright', 'Mysterious').

        instrument (str): The selected instrument ('Piano', 'Violin', 'Flute', etc.).

        duration (int): Duration of the melody in seconds.

    Returns:

        str: Filename of the generated MIDI file.

    """

    midi_filename = f"{style}_{instrument}_music.mid"

    mid = MidiFile()

    track = MidiTrack()

    mid.tracks.append(track)

    if style == "Calm":

        notes = [60, 62, 64, 65, 67, 69, 71, 72]  # C Major Scale

    elif style == "Bright":

        notes = [72, 74, 76, 77, 79, 81, 83, 84]  # Higher octave C Major Scale

    elif style == "Mysterious":

        notes = [60, 63, 65, 68, 70, 73, 75, 78]  # Suspenseful scale

    else:

        notes = [60, 62, 64, 67, 69]  # Default to C Pentatonic Scale

    total_ticks = 0

    ticks_per_note = 480

    while total_ticks < duration * 480:

        note = random.choice(notes)

        velocity = random.randint(50, 100)

        track.append(Message('note_on', note=note, velocity=velocity, time=0))

        track.append(Message('note_off', note=note, velocity=velocity, time=ticks_per_note))

        total_ticks += ticks_per_note

    mid.save(midi_filename)

    return midi_filename

# Streamlit App

def main():

    st.title("Random Music Generator")

    # User inputs

    style = st.selectbox("Choose a music style:", ["Calm", "Bright", "Mysterious"])

    instrument = st.selectbox("Choose an instrument:", ["Piano", "Violin", "Flute", "Guitar"])

    duration = st.slider("Select duration (seconds):", min_value=30, max_value=180, step=30, value=90)

    file_format = st.selectbox("Select file format:", ["MIDI"])

    if st.button("Generate Music"):

        st.write(f"Generating {style} music with {instrument} for {duration} seconds...")

        if file_format == "MIDI":

            midi_filename = create_random_melody(style, instrument, duration)

            st.success("MIDI file generated successfully!")

            # Provide MIDI download link

            with open(midi_filename, "rb") as midi_file:

                st.download_button(

                    label="Download MIDI File",

                    data=midi_file,

                    file_name=midi_filename,

                    mime="audio/midi"

                )

if __name__ == "__main__":

    main()

RUN

streamlit run music_generator.py