To learn Nirvana - Sappy chords, your practice should emphasize these chord progressions: F#, G#, A, G#, A, C#, F#, A and F#. A strategic approach would be to train at 64 BPM initially, and then accelerate to the song's tempo of 128. Fine-tune the capo based on your vocal range, ensuring it complements the key of G# Minor.
