To learn Megadeth - Hangar 18 chords, your practice should emphasize these chord progressions: Bm, A#, Dm, A#, F#m, F, G, F#m and G. Begin your practice at a relaxed 79 BPM, then work your way up to the song's BPM of 160. Considering the song's key of D Minor, position your capo to suit your vocal and chord preferences.