NowListening is anothertweak for 5.It will shows a banner notification whenever your iPod music change.
NowListening just shows in a banner the song actually beeing played !
Tap on it to open the iPod.app
No icons are added to the homescreen. There are no options to configure.
You can get the tweak by McNight from the Big Bossrepository for free.
Note: I have been tested on this tweak, but it seems doesn’t work very well for me.