Skip schumaker's at bat song?

I'm not sure if it has changed or not, but in 2007 season it was a song called "I know what I'm doin" by Birdman & Lil Wayne

His 2011 walk up song is called "The Stroke" by Billy Squier

http://stlouis.cardinals.mlb.com/stl/fan_forum/player_songs.jsp