def process_beats_and_chords(youtube_id):
print('START PROCESS >> ', str(datetime.now()))
from madmom.processors import ParallelProcessor
processMulti = ParallelProcessor([], num_threads=2)
processMulti.append(get_beat_processor())
processMulti.append(get_chords_processor())
print('BEAT PROCESS >> ', str(datetime.now()))
return processMulti.process(OUT_FILE_PATH + youtube_id + '.' +
OUT_FILE_EXT)
