The 100 Best Songs of 2007

53 "Black Mags"
The Cool Kids
You know how psyched Rich Boy is to have a car with new rims? That's how these Chi-town hip-hop supergeeks feel about tricked-out BMX bikes on their spare, nail-hard debut single.

54 "I-95"
Fountains of Wayne
A gorgeous ballad about nine hours on the highway just to be with her that thrives on its details: a rest stop full of Barney DVDs and G n' R posters, the sound of static on the radio, the elderly guy who can't even drive fifty-five.

55 "Hold On"
KT Tunstall
The Scottish lass rocks out here with big drums, Latin-style up-tempo guitar and a chorus that evokes the theme song to the Seventies kiddie-TV classic Villa Alegre.

56 "Lip Gloss"
Lil Mama
Things we know about Lil Mama: (1) her lip gloss is poppin', (2) her lip gloss is poppin'. Which is fine, because her angry-teen steez — and a raw beat that sounds like a locker door being repeatedly slammed — are more than enough to carry the lil' Brooklyn MC's debut single.