To jam and learn Back-On - (FLIP SOUND ver.) Flip Sound chords, your primary focus should be mastering these chords sequence: B, C#, F#, D#m, B, F#, B, D#m and C#. For best results, commence at 62 BPM and progress to the song's BPM of 125. Set the capo considering your vocal range and favored chords, aligned with the key: F# Major.