To learn Nas - I Can chords, anchor your practice on these foundational sequence of chords - F#m, F#, G#m, A, F#, A, B, A and F#. To master the tempo, it's wise to start at 48 BPM before aiming for the song's 96 BPM. With F# Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.