Previously KooKoo Kangaroo. My kid loves these songs and we do too. They are energetic and fun, original, and good for school age kids. A lot of the music on yoto is geared toward toddler or baby or sleep. There is kids bop for the school age kids, but those aren't original songs. This would fill a hole in your music selection.
Per wikipedia: Billed as an "interactive dance party duo" and described as "the Beastie Boys meet Sesame Street",[1] Koo Koo showcase a colorful live show that relies heavily on audience participation, featuring overtly silly sing-along songs that are typically accompanied by their own individual dance move