These noncloying CDs will soothe a fussy baby — and a frenzied new mom — without scaring away visitors. Angels Hide Their Faces, Dawn Upshaw Sings Bach and Purcell, ($17, www.barnesandnoble.com); Come Away With Me, Norah Jones ($13, www.barnesandnoble.com); Talking Timbuktu, Ali Farka Toure with Ry Cooder ($13.50, www.barnesandnoble.com); Nocturne, Charlie Haden ($19, www.barnesandnoble.com).