Sheryl Crow sings about the environment, cancer and motherhood, Jack Johnson keeps it breezy, Lenny Kravitz strips it down and Hot Chip delivers brainy electronic rock in this week's Hot Product.

Atlantic's soundtrack to the film "Step Up 2," featuring Flo Rida´s No. 1 hit "Low" and new songs from Missy Elliott.

The latest album from ex-Husker Du/Sugar frontman Bob Mould, "District Line" (Anti-)

Indie rock trio Nada Surf's "Lucky" (Barsuk), with guest appearances by members of Death Cab For Cutie and the Long Winters.

A kid-friendly CD/DVD set from They Might Be Giants, "Here Come the 123s" (Walt Disney).

Canadian vocalist k.d. lang's "Watershed" (Nonesuch).