32bard vs Fadr

32bard is a web-based AI mashup maker for combining songs and arranging their parts. Its generation process handles stem separation, BPM matching, and key alignment, with the maker describing a result in about 30 seconds. A visual editor places vocals, instruments, bass, and drums on four lanes across a 32-bar grid. Users can search Spotify for songs and import track metadata. A free compatibility checker scores song pairs using BPM distance and harmonic key match without requiring signup. The service supports waveform playback and exports in AAC, MP3, or WAV; MP3 and WAV export require Pro. The maker says its AI detects BPM, key, and stems, so music theory or DJ skills are not required. Users can begin without signing up or adding a credit card. The Free plan is free and includes three full-quality mashup generations per month with AAC playback. Pro costs $9.99 a month and includes unlimited mashups plus MP3, WAV, and AAC export.

Fadr is a music tool for separating vocals and 15 other instruments from songs, making remixes and DJ sets, and creating instruments and drum kits with AI. Fadr Basic offers unlimited stems, remixes, and DJ sets, with high-quality MP3 downloads; song uploads on Basic are limited to 10 minutes. Fadr Plus provides 18 stem types, uploads up to one hour, WAV downloads, plugins, API access, and unlimited storage for $10/mo.

Siren makes playable instruments from words and provides ADSR controls and low-pass, high-pass, band-pass, and notch filters. DrumGPT creates 16-element drum kits from text prompts, with pitch, volume, and amplitude-envelope controls. The Stems Plugin works with major DAWs and other software that supports VST3, with Windows VST3 and Mac VST3/AU support. Siren is available online, as an iPhone and iPad app, and as an audio plugin. The API separates songs into vocals, drums, bass, melodies, and instrumental, and detects MIDI, chords, key, and tempo. API use requires Fadr Plus; its Create Stem Task endpoint costs US$0.05 per minute of audio.