To learn Ocean Alley - Jellyfish chords, your first step should be understanding these chords - Bb, Dm, F, C, A, Dm, C and Dm in sequence. To master the tempo, it's wise to start at 49 BPM before aiming for the song's 98 BPM. With the song's key of C Major, set your capo to fit your vocal range and chord choice.