Let's start jamming T. Rex - Change chords, familiarize yourself with these chords - Bm, Em, C, B, A, Em, C, B, A, F and Em in sequence. Ease into the song by practicing at 54 BPM before reaching the track's full tempo of 109 BPM. Fine-tune the capo based on your vocal range, ensuring it complements the key of E Minor.