To learn Little Big - Go Bananas chords, anchor your practice on these foundational sequence of chords - Em, G, B, E, B, Em, G, F#, E, B and G. A strategic approach would be to train at 63 BPM initially, and then accelerate to the song's tempo of 127. With the song's key of B Minor, set your capo to fit your vocal range and chord choice.
