Quirky U.K. singer/songwriter Kate Nash tries to capitalize on early international success with her U.S. debut and Marah keeps on rockin' in this week's Hot Product.

Zero 7 vocalist Sia's "Some People Have Real Problems" (Hear Music).

Pianist Jim Brickman's "Valentine" (Savoy).

Quirky teen artist Amanda Shaw's "Pretty Runs Out" (Rounder).

An album of children's music from Medeski Martin & Wood, "Let's Go Everywhere" (MRI).

Country/bluegrass veteran Rhonda Vincent's "Good Thing Going" (Rounder).