Violin animation made out of many tiny notes. Frames rendered in parallel.

violin.py

from PIL import Image
import random
import multiprocessing

background = Image.new('RGBA', (2048, 2048), (255, 255, 255, 255))
image = Image.open(r"violin.jpg").convert('RGBA').load()
note = Image.open(r"note.png").convert('RGBA')

def gen_frame(frame):
    for x in range(2048):
        for y in range(2048):
            if random.random() < 0.04 and image[x, y][0] / 255. < random.random():
                background.alpha_composite(note, (x, y))

    background.save(f'out/{frame}.png')

if __name__ == '__main__':
    pool = multiprocessing.Pool()
    pool.map(gen_frame, range(60))