Ken Tucker

The talented young singer-songwriter has as much in common with John Prine as she does with Kenny Chesney. With any luck, Same Trailer, Different Park is the start of a long career that will make both Musgraves' core audience and other open-minded listeners sit up and take notice.

On his first album since 2006, The 20/20 Experience, Justin Timberlake explores his range, from soul-man groove to falsetto croon, taking inspiration from neo-soul and the expansiveness of '60s and '70s rock song formats.

The twin sisters from Canada depart from their indie singer-songwriter roots with their latest album. The music on Heartthrob is often loaded with a carefully articulated sense of doubt that Tegan and Sara suggest needs to be shaken off through a triumph of the pop-music will.