Let's start jamming 刘至佳 - 时光背面的我 chords, Practice these chords sequence - Eb, F, Gm, Eb and Bb. I suggest starting at a calm pace of 44 BPM, and as you gain confidence, approach the song's BPM of 89. With the song's key of G Minor, set your capo to fit your vocal range and chord choice.