, the numerically inclined sequel to ' winning CD/DVD set , presents more fun and unexpected ways to learn from and . The album begins in mathematically precise fashion, starting with the bouncy of before hitting one through ten and then onto fancier numbers like 12 and infinity. 's funky is one of 's typical brain-twisters, a little bit zen ("there's only one everything") and a little bit urgent ("please clean your room/we share the same omniverse"). Many of the other songs are just as fun, but feel more like standard kid's fare than did, and need to be experienced on the DVD for their full, quirky impact. That said, story songs like and movement songs such as are never less than adorable. However, as ' numbers get higher, the album builds momentum. After getting basics like out of the way, on songs like the Johns get down to the kind of smart kookiness and purposeful silliness that fans of all ages have come to expect. Seven gets two songs: is an anti-reveille full of laziness and trumpets, and is a singalong favorite in the making. meanwhile, imagines a world where number sevens can ring the doorbell and hang out for awhile eating cake. 's bowl-balancing ichthyosaur makes that song a standout too, and things get literally loopy on 's action-packed, figure-skating , and on a tribute to eight's sideways sibling. Even if it's not quite as brilliantly clever as , never talks, or sings, down to its audience. ~ Heather Phares