Let's start jamming 許冠傑 - 難忘您 chords, Practice these chords sequence - Ebm, Gb, Ab, Db, Fm, Bbm, Ebm, F, G, C and Em. Ease into the song by practicing at 41 BPM before reaching the track's full tempo of 83 BPM. Considering the song's key of C Major, position your capo to suit your vocal and chord preferences.