I found this one on Tumblr. It seemed cool so I snagged it. :D
Day 1 – Your favorite song that’s ever been on Smallville
There have been a lot of great songs on Smallville, but I am going to be obvious with this one and go with the theme song 'Save Me' By Remy Zero, just because I will never not be able to listen it to and not think of Smallville. :D