Chicago-based Plain White T's are anything but plain. These young rockers dropped by to perform "Hey There Delilah" from their Hollywood debut "Every Second Counts." Tell us what you think! Email us

Chicago-based Plain White T's are anything but plain. These young rockers dropped by to perform "Hey There Delilah" from their Hollywood debut "Every Second Counts." Tell us what you think! Email us at Underground@Billboard.com.