The best free alternative to Transcribe! is Sonic Visualiser, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Transcribe! and nine of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Transcribe! are Chordify (Freemium), Amazing Slow Downer (Freemium), Tune Transcriber (Free) and Audioalter (Free).
Change the speed of the music - from 20% (one fifth speed) to 200% (double speed) without changing the pitch. Wrong key? Change the pitch in semi-tones - at full or changed speed. Out of tune? Adjust the pitch in cents (100ths of a semi-tone) to suit your instrument.
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?