Ashlee Simpson Bittersweet World
(Geffen)
Jessica’s little sis continues forging her emo identity with her third album, containing New Wave–tinged pop tracks. “It’s a fun party album,” says Ashlee.

Flight of the Conchords Flight of the Conchords
(Sub Pop)
Many of these funny, folksy tunes from the New Zealand musical comedy duo have appeared on their cult-hit TV series. Now they’re all together for sing-alongs.

Mariah Carey E=MC2
(Island)
The diva proves she’s still got it with another hit album. Hints of rock, reggae and gospel are present among the poppy R&B tunes.

Miley Cyrus Best of Both Worlds Concert
(Disney)
Tweens will be clamoring for this live-concert DVD and CD featuring 14 pop tracks from everyone’s favorite Disney phenom.

Thrice The Alchemy Index, Vol. 3 & 4: Air & Earth
(Vagrant Records)
There are two discs of the indie quartet’s second Alchemy Index installment. Air’s got a softer sound, while Earth is stripped down.

Sun Kil Moon April
(Caldo Verde)
More quality alt-country/lo-fi sounds from Mark Kozelek’s winning band. A bonus CD featuring alternate versions of four tracks is included.

Leona Lewis Spirit
(J Records)
This gorgeous Brit has captured our hearts with her amazing voice. You’ve heard the hit “Bleeding Love” — now enjoy the whole album.

Crystal Castles Crystal Castles
(Last Gang Records)
Toronto-based hipster duo Crystal Castles’ first full-length album is jammed with infectious electronic music, perfect for getting your groove on.

Nick Cave and the Bad Seeds Dig!!! Lazarus Dig!!!
(Mute)
Aussie rock icon Nick Cave is 50 years old but shows he can still rock with the Bad Seeds’ 14th album. Try “We Call Upon the Author.”

The Raconteurs Consolers of the Lonely
(Third Man Records)
Jack White’s other band does away with the hype and puts out another competent Southern-tinged rock album peppered with tambourine and fiddle.