Audio Trimmer - The simplest way to trim your audio files
ChordU - Extracts chords from any song, integrated YouTube.
Music Speed Changer (Classic) - Music Speed Changer (Classic) is an amazing mobile app that enables you to adjust the pitch and tempo of your music to make it slower or faster through sound touch processor.
Tune Transcriber - Learn and transcribe music for free from your web browser (no install needed).
Tune Me - Tune Me is an amazing mobile app that helps you to record music with more than five hundred beats and rhythms.
Amazing Slow Downer - !A slow down music software for Mac and Windows computers - Amazing Slow Downer