Capo!

Load any MP3, Isolate the guitar, slow it down, loop the riff, see the chords and build custom jam tracks.

The Transcribe! application is an assistant for people who sometimes want to work out a piece of music from a recording, in order to write it out, or play it themselves, or both. It doesn't do the transcribing for you, but it is essentially a specialised player program which is optimised for the purpose of transcription. It has many transcription-specific features not found on conventional music players. (The free trial lasts for 31 days.)

Change the speed of the music - from 20% (one fifth speed) to 200% (double speed) without changing the pitch.

Chordify is a free online music service – made for and by music enthusiasts – that transforms music from YouTube, Deezer, SoundCloud or your private collection, into chords. The algorithm automatically recognises chords from the audio signal and aligns them to the music in a simple and intuitive player. Chordify is a cutting edge service that helps both novice and trained musicians to play the music they want to play, making state-of-the-art music technology available to the public at large.

Sonic Visualiser is a program for viewing and analysing the contents of music audio files.

AudioRetoucher is an audio effects processor that allows you to change the key of a song. In addition, it allows you to slow down the music to get the right tempo. With AudioRetoucher the sound of an instrument or voice might be modified slightly, to make a vocalist or instrumentalist's job easier in dealing with difficult keys, and usually involves no more than a half-step (semitone) or possibly whole step (whole tone) change. Vocal pitch may also be speeded up to "smooth out" a performance, or to make the singer sound younger. It may be used for special effects like famous Chipmunks recordings were created by recording vocal tracks at a slow speed, then boosting them to normal at playback. AudioRetoucher main features: key shifter, tempo changer, bass booster, treble enhancer and BPM detector. »

Learning Tool for instrument solo's or singing.Can slow down music without changing the pitchUnique Timeline for settings Markers

The SPT-667 Phrase Trainer makes learning riffs by ear really simple. Say you want to copy a guitar solo. The Phrase Trainer lets you to load the song (wav,mp3,wma etc...) slow down the playback speed to as little as 50% (or speed it up to double-speed,why not?)of the original without changing its pitch, and loop the playback to repeat the phrase over and over until you get it! Or,when you have mastered the lick you are working on,you can change the pitch of the song and practice that lick in other tonality! »

Learn and transcribe music for free from your web browser (no install needed). Load MP3s or a YouTube video. Slow down music, change pitch, add marks, beats, loops and easily navigate the song.