Can you guess who jams on 讓我笑吧！?

What chords does 林憶蓮 - 讓我笑吧！ use?

What is the right BPM for 讓我笑吧！ by 林憶蓮?

Which chords are part of the key in which 林憶蓮 plays 讓我笑吧！?

When did 讓我笑吧！ hit the market?