To learn Kanye West - Roses chords, anchor your practice on these foundational sequence of chords - Bbm, Eb, B, Abm, Bbm and B. Start with a comfortable 49 BPM and as you become proficient, aim for the song's BPM of 98. With Bb Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.
