The Kitty Kats are a band. Katerina, Annabella and Rodney Von Kitty Kat are siblings.
They are all students at the Kidzter Music School and best friends with Eva, Jimi and Carlos, the Kidzter Kids.
Their vocals and instrumental are provided by Jesse & Paula Bradman.
You can listen to their music here:
We Will Meow You
Song Space Cat Oddyssey
There are more Rockabyes songs in Songs & Stories
They have their own website at www.thekittykats.com