Seventh String Transcribe -

It’s automatic transcription (it won’t spit out sheet music from an audio file). Instead, it’s a manual transcription assistant :

If a song is tuned down (common in heavy metal or slide guitar) or you simply want to play along in a different key, Transcribe! allows you to shift the pitch of the recording in semitones or fine-tuned cents. This is invaluable for guitarists who want to learn a song tuned to E-flat but don't want to retune their instrument for a quick practice session. seventh string transcribe