To learn Younha - 빛이 되어줄게 chords, your practice should emphasize these chord progressions: C, Eb, F, Eb, Bb, Gm and Eb. To master the tempo, it's wise to start at 72 BPM before aiming for the song's 144 BPM. With Bb Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.