To learn Blu-Swing - Sum chords, focus on the sequence of these chords: Gm, Am, Dm, Bb, Dm, Gm, Dm, F and Dm. Begin your practice at a relaxed 61 BPM, then work your way up to the song's BPM of 122. Considering the song's key of F Major, position your capo to suit your vocal and chord preferences.