To learn 大欢 - 多年以后 chords, focus on the sequence of these chords: Ebm, Db, Ebm, Ab, Db, Abm and Db. To build a solid grasp, start slowly at 80 BPM and then match the original tempo of 160 BPM. With the song's key of Eb Major, set your capo to fit your vocal range and chord choice.