Let's start jamming Arc System Works - Diva chords, practice the chord sequence Am, Dm, F, C, A, Eb, D, Eb, F, Gm, Bb and Am. For best results, commence at 62 BPM and progress to the song's BPM of 124. Adjust the capo based on your vocal range and chord preference, keeping the song's key of F Major in mind.