To jam and learn Usotsuki Barbie - Babibube Igai Ningen chords, your primary focus should be mastering these chords sequence: Dm, Ab, D, D and Ab. I suggest starting at a calm pace of 40 BPM, and as you gain confidence, approach the song's BPM of 82. To match your vocal range and chord inclination, adjust the capo in line with the key: D Minor.