好听 is very subjective. You may download pop music

from Down委书记`s blog.
She provides the tòp list of pop music from 1976 - 2008.

Personally, I like following artists:
1) Beatles band, especially for John Lennon, Paul McCartney,
2) Elton John (This is your song, and Sacrifice)
3) BeeGee Brothers
4) U2
5) Rod Stuward
6) Bon Jovi, espeally his ^it is my life^ and prayer
7) Prince, the most beautiful girl
8) Aerosmith: Crzay, crying..
9) Michael Jackson
10) Nsync Band, Justin
11) Back Street Boy
12) Will Smith
13) Goloria Estanfa,
14) Tina Turner
15) Carpenter
16) Gwen Stefani
17) Cher
18) Cilian Deion
19) Mariah Carey
20) Whitney Houston
21) TLC band
22) Spicy Girl band
23) J LO
24) Britney Spears
25) Christian Aguralla
26) LeAnna
27) Savage Garden
...
too many

I believe that there are many typos above since I have no references at hand.

Enjoy them