To learn Nirvana - (Live) Oh Me chords, grasp the musical fabric of the song with this sequence - B, Db, Eb, B, Ebm and Eb of chords. A strategic approach would be to train at 71 BPM initially, and then accelerate to the song's tempo of 143. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: Db Major.