Akon - Mr. Lonely

2Pac - So many tears

Black Eyed Peas - The APL Song

B.I.G. - Big poppa

Puff Daddy feat. Faith Evans - Ill Be Missing You

Trey Songz - Can't Help But Wait

Tell Me Who You Are - Ldy Lickem （女生rap）

15 Bittersweet Poetry - Kanye West

Stevie Hoang - No Games

Dilemma - Nelly

and1 - do you remember

这些歌曲都以不同的方式表达了悲伤的情感，涵盖了不同的风格和情感深度。希望这些建议能满足你的需求。