To learn Ahn Ye Eun - Deep Blue chords, your first step should be understanding these chords - A, Bm, G, D, F#, D and Bm in sequence. Start with a comfortable 74 BPM and as you become proficient, aim for the song's BPM of 148. Given the song's key of G Major, adjust the capo to align with your vocal range and chord preference.