The Raloo Rockers
Youngsters Piggley, Ferny, & Dannan from the PBS animated kids' television series Jakers! The Adventures of Piggley Winks form this band in the "Return of the Raloo Rockers" episode (2004?). The perform their song on the street to busk up enough money for train tickets to Dublin so they can appear on the Buck Boylan Variety Hour TV show.
Piggley got excited about rock and roll and took guitar lessons earlier in the series.