> who sings that song in the new dockers commercial on the trolleys in S.f.???

That song is called "Don't Wait too Long" by Madeline Peyroux. That is my favorite commercial, and the song is beautiful. Here is a link to the video if you havent seen it already. Take care
http://www.videocodezone.com/videos/m/madeleine_peyroux/dont_wait_too_l
ong.html