To learn Crush 40 - Sonic Heroes chords, your practice should emphasize these chord progressions: Am, Bb, F, Ab, Eb, Db, Eb and F. Kick off your practice at a gentle 46 BPM, then escalate to the song's tempo of 93 BPM. With F Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.