To start learning 曾慶瑜 - 今夕是何夕 chords, delve into these chords sequence to get the song's feel: Gb, Ab, Bbm, Fm, Gb, Bbm, Ab and Db. I suggest starting at a calm pace of 70 BPM, and as you gain confidence, approach the song's BPM of 140. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: Db Major.