播放2021年最流行的歌曲。
很抱歉，作为一个AI模型，我无法播放音乐，但是我可以告诉您2021年一些最流行的歌曲，例如： 

1. "Montero (Call Me By Your Name)" by Lil Nas X
2. "Leave The Door Open" by Silk Sonic (Bruno Mars & Anderson .Paak)
3. "Peaches" by Justin Bieber ft. Daniel Caesar & Giveon
4. "Good 4 U" by Olivia Rodrigo
5. "Save Your Tears" by The Weeknd & Ariana Grande (Remix)
6. "Kiss Me More" by Doja Cat ft. SZA
7. "Levitating" by Dua Lipa ft. DaBaby
8. "Deja Vu" by Olivia Rodrigo
9. "drivers license" by Olivia Rodrigo
10. "Heat Waves" by Glass Animals

希望这可以帮助到您。