# ================================================================================================= # https://huggingface.co/spaces/asigalov61/Chords-Progressions-Generator # ================================================================================================= import os import time as reqtime import datetime from pytz import timezone import gradio as gr import numpy as np import os import random from collections import Counter import math from tqdm import tqdm import TMIDIX from midi_to_colab_audio import midi_to_colab_audio # ================================================================================================= def Generate_Chords_Progression(minimum_song_length_in_chords_chunks, chords_chunks_memory_ratio, chord_time_step, merge_chords_notes, melody_MIDI_patch_number, chords_progression_MIDI_patch_number, base_MIDI_patch_number ): print('=' * 70) print('Req start time: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now(PDT))) start_time = reqtime.time() print('=' * 70) print('Requested settings:') print('Minimum song length in chords chunks:', minimum_song_length_in_chords_chunks) print('Chords chunks memory ratio:', chords_chunks_memory_ratio) print('Chord time step:', chord_time_step) print('Merge chords notes max time:', merge_chords_notes) print('Melody MIDI patch number:', melody_MIDI_patch_number) print('Chords progression MIDI patch number:', chords_progression_MIDI_patch_number) print('Base MIDI patch number:', base_MIDI_patch_number) print('=' * 70) #================================================================== print('=' * 70) print('Pitches Chords Progressions Generator') print('=' * 70) print('=' * 70) print('Chunk-by-chunk generation') print('=' * 70) print('Generating...') print('=' * 70) matching_long_chords_chunks = [] ridx = random.randint(0, len(all_long_chords_tokens_chunks)-1) matching_long_chords_chunks.append(ridx) max_song_len = 0 tries = 0 while len(matching_long_chords_chunks) < minimum_song_length_in_chords_chunks: matching_long_chords_chunks = [] ridx = random.randint(0, len(all_long_chords_tokens_chunks)-1) matching_long_chords_chunks.append(ridx) seen = [ridx] gseen = [ridx] for a in range(minimum_song_length_in_chords_chunks * 10): if not matching_long_chords_chunks: break if len(matching_long_chords_chunks) > minimum_song_length_in_chords_chunks: break schunk = all_long_chords_tokens_chunks[matching_long_chords_chunks[-1]] trg_long_chunk = np.array(schunk[-chunk_size:]) idxs = np.where((src_long_chunks == trg_long_chunk).all(axis=1))[0].tolist() if len(idxs) > 1: random.shuffle(idxs) eidxs = [i for i in idxs if i not in seen] if eidxs: eidx = eidxs[0] matching_long_chords_chunks.append(eidx) seen.append(eidx) gseen.append(eidx) if 0 < chords_chunks_memory_ratio < 1: seen = random.choices(gseen, k=math.ceil(len(gseen) * chords_chunks_memory_ratio)) elif chords_chunks_memory_ratio == 0: seen = [] else: gseen.pop() matching_long_chords_chunks.pop() else: gseen.pop() matching_long_chords_chunks.pop() if len(matching_long_chords_chunks) > max_song_len: print('Current song length:', len(matching_long_chords_chunks), 'chords chunks') print('=' * 70) final_song = matching_long_chords_chunks max_song_len = max(max_song_len, len(matching_long_chords_chunks)) tries += 1 if tries % 500 == 0: print('Number of passed tries:', tries) print('=' * 70) if len(matching_long_chords_chunks) > max_song_len: print('Current song length:', len(matching_long_chords_chunks), 'chords chunks') print('=' * 70) final_song = matching_long_chords_chunks f_song = [] for mat in final_song: f_song.extend(all_long_good_chords_chunks[mat][:-chunk_size]) f_song.extend(all_long_good_chords_chunks[mat][-chunk_size:]) print('Generated final song after', tries, 'tries with', len(final_song), 'chords chunks and', len(f_song), 'chords') print('=' * 70) print('Done!') print('=' * 70) #=============================================================================== print('Rendering results...') print('=' * 70) output_score = [] time = 0 patches = [0] * 16 patches[0] = chords_progression_MIDI_patch_number if base_MIDI_patch_number > -1: patches[2] = base_MIDI_patch_number if melody_MIDI_patch_number > -1: patches[3] = melody_MIDI_patch_number chords_labels = [] for i, s in enumerate(f_song): time += chord_time_step dur = chord_time_step chord_str = str(i+1) for t in sorted(set([t % 12 for t in s])): chord_str += '-' + str(t) chords_labels.append(['text_event', time, chord_str]) for p in s: output_score.append(['note', time, dur, 0, p, max(40, p), chords_progression_MIDI_patch_number]) if base_MIDI_patch_number > -1: output_score.append(['note', time, dur, 2, (s[-1] % 12)+24, 120-(s[-1] % 12), base_MIDI_patch_number]) if melody_MIDI_patch_number > -1: output_score = TMIDIX.add_melody_to_enhanced_score_notes(output_score, melody_patch=melody_MIDI_patch_number, melody_notes_max_duration=max(merge_chords_notes, chord_time_step) ) if merge_chords_notes > 0: escore_matrix = TMIDIX.escore_notes_to_escore_matrix(output_score) output_score = TMIDIX.escore_matrix_to_merged_escore_notes(escore_matrix, max_note_duration=merge_chords_notes) midi_score = sorted(chords_labels + output_score, key=lambda x: x[1]) fn1 = "Pitches-Chords-Progression-Composition" detailed_stats = TMIDIX.Tegridy_ms_SONG_to_MIDI_Converter(midi_score, output_signature = 'Pitches Chords Progression', output_file_name = fn1, track_name='Project Los Angeles', list_of_MIDI_patches=patches ) new_fn = fn1+'.mid' audio = midi_to_colab_audio(new_fn, soundfont_path=soundfont, sample_rate=16000, volume_scale=10, output_for_gradio=True ) #======================================================== output_midi_title = str(fn1) output_midi = str(new_fn) output_audio = (16000, audio) output_plot = TMIDIX.plot_ms_SONG(output_score, plot_title=output_midi, return_plt=True) print('Done!') print('=' * 70) #======================================================== print('Generated chords progression info and stats:') print('=' * 70) chords_progression_summary_string = '=' * 70 chords_progression_summary_string += '\n' all_song_chords = [] for pc in f_song: tones_chord = tuple(sorted(set([p % 12 for p in pc]))) all_song_chords.append([pc, tones_chord]) print('=' * 70) print('Total number of chords:', len(all_song_chords)) chords_progression_summary_string += 'Total number of chords: ' + str(len(all_song_chords)) + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' print('=' * 70) print('Most common pitches chord:', list(Counter(tuple([a[0] for a in all_song_chords])).most_common(1)[0][0]), '===', Counter(tuple([a[0] for a in all_song_chords])).most_common(1)[0][1], 'count') chords_progression_summary_string += 'Most common pitches chord: ' + str(list(Counter(tuple([a[0] for a in all_song_chords])).most_common(1)[0][0])) + ' === ' + str(Counter(tuple([a[0] for a in all_song_chords])).most_common(1)[0][1]) + ' count' + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' print('=' * 70) print('Most common tones chord:', list(Counter(tuple([a[1] for a in all_song_chords])).most_common(1)[0][0]), '===', Counter(tuple([a[1] for a in all_song_chords])).most_common(1)[0][1], 'count') chords_progression_summary_string += 'Most common tones chord: ' + str(list(Counter(tuple([a[1] for a in all_song_chords])).most_common(1)[0][0])) + ' === ' + str(Counter(tuple([a[1] for a in all_song_chords])).most_common(1)[0][1]) + ' count' + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' print('=' * 70) print('Sorted unique songs chords set:', len(sorted(set(tuple([a[1] for a in all_song_chords])))), 'count') chords_progression_summary_string += 'Sorted unique songs chords set: ' + str(len(sorted(set(tuple([a[1] for a in all_song_chords]))))) + ' count' + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' #print('=' * 70) for c in sorted(set(tuple([a[1] for a in all_song_chords]))): #print(list(c)) chords_progression_summary_string += str(list(c)) + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' print('=' * 70) print('Grouped songs chords set:', len(TMIDIX.grouped_set(tuple([a[1] for a in all_song_chords]))), 'count') chords_progression_summary_string += 'Grouped songs chords set: ' + str(len(TMIDIX.grouped_set(tuple([a[1] for a in all_song_chords])))) + ' count' + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' print('=' * 70) for c in TMIDIX.grouped_set(tuple([a[1] for a in all_song_chords])): #print(list(c)) chords_progression_summary_string += str(list(c)) + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' #print('=' * 70) #print('All songs chords') chords_progression_summary_string += 'All songs chords' + '\n' chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' #print('=' * 70) for i, pc_tc in enumerate(all_song_chords): #print('Song chord #', i) chords_progression_summary_string += 'Song chord # ' + str(i) + '\n' #print(list(pc_tc[0]), '===', list(pc_tc[1])) chords_progression_summary_string += str(list(pc_tc[0])) + ' === ' + str(list(pc_tc[1])) + '\n' #print('=' * 70) chords_progression_summary_string += '=' * 70 chords_progression_summary_string += '\n' #======================================================== print('-' * 70) print('Req end time: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now(PDT))) print('-' * 70) print('Req execution time:', (reqtime.time() - start_time), 'sec') return output_audio, output_plot, output_midi, chords_progression_summary_string # ================================================================================================= if __name__ == "__main__": PDT = timezone('US/Pacific') print('=' * 70) print('App start time: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now(PDT))) print('=' * 70) #=============================================================================== soundfont = "SGM-v2.01-YamahaGrand-Guit-Bass-v2.7.sf2" print('Loading processed Pitches Chords Progressions dataset data...') print('=' * 70) long_tones_chords_dict, all_long_chords_tokens_chunks, all_long_good_chords_chunks = TMIDIX.Tegridy_Any_Pickle_File_Reader('processed_chords_progressions_chunks_data') print('=' * 70) print('Resulting chords dictionary size:', len(long_tones_chords_dict)) print('=' * 70) print('Loading chords chunks...') chunk_size = 4 src_long_chunks = np.array([a[:chunk_size] for a in all_long_chords_tokens_chunks]) print('Done!') print('=' * 70) print('Total chords chunks count:', len(all_long_good_chords_chunks)) print('=' * 70) #=============================================================================== app = gr.Blocks() with app: gr.Markdown("

Chords Progressions Generator

") gr.Markdown("

Generate unique chords progressions

") gr.Markdown( "![Visitors](https://api.visitorbadge.io/api/visitors?path=asigalov61.Chords-Progressions-Generator&style=flat)\n\n" "This is a demo for Tegridy MIDI Dataset\n\n" "Check out [Tegridy MIDI Dataset](https://github.com/asigalov61/Tegridy-MIDI-Dataset) on GitHub!\n\n" "[Open In Colab]" "(https://colab.research.google.com/github/asigalov61/Tegridy-MIDI-Dataset/blob/master/Chords-Progressions/Pitches_Chords_Progressions_Generator.ipynb)" " for all options, faster execution and endless generation" ) gr.Markdown("## Select generation options") minimum_song_length_in_chords_chunks = gr.Slider(4, 60, value=30, step=1, label="Minimum song length in chords chunks") chords_chunks_memory_ratio = gr.Slider(0, 1, value=1, step=0.1, label="Chords chunks memory ratio") chord_time_step = gr.Slider(100, 1000, value=500, step=50, label="Chord time step") merge_chords_notes = gr.Slider(0, 4000, value=1000, step=100, label="Merged chords notes max time") melody_MIDI_patch_number = gr.Slider(0, 127, value=40, step=1, label="Melody MIDI patch number") chords_progression_MIDI_patch_number = gr.Slider(0, 127, value=0, step=1, label="Chords progression MIDI patch number") base_MIDI_patch_number = gr.Slider(0, 127, value=35, step=1, label="Base MIDI patch number") run_btn = gr.Button("generate", variant="primary") gr.Markdown("## Generation results") output_audio = gr.Audio(label="Output MIDI audio", format="mp3", elem_id="midi_audio") output_plot = gr.Plot(label="Output MIDI score plot") output_midi = gr.File(label="Output MIDI file", file_types=[".mid"]) output_cp_summary = gr.Textbox(label="Generated chords progression info and stats") run_event = run_btn.click(Generate_Chords_Progression, [minimum_song_length_in_chords_chunks, chords_chunks_memory_ratio, chord_time_step, merge_chords_notes, melody_MIDI_patch_number, chords_progression_MIDI_patch_number, base_MIDI_patch_number], [output_audio, output_plot, output_midi, output_cp_summary] ) app.queue().launch()