To learn Mad Tsai - Killer Queen chords, grasp the musical fabric of the song with this sequence - Abm, Bb, Ebm, B, Abm, B, Ab, Bb and B of chords. Ease into the song by practicing at 54 BPM before reaching the track's full tempo of 108 BPM. With an eye on the song's key Db Major, set the capo that best suits your vocal range.