Let's start jamming T.Rex - (The Alternate Slider - Rabbit Fighter, Deluxe Edition) Main Man chords, Practice these chords sequence - D#m, C#, D#m, F# and C#. Ease into the song by practicing at 66 BPM before reaching the track's full tempo of 132 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of C# Major in mind.