By Jeremy Medina
March 18, 2009 at 12:00 PM EDT

The Jonas Brothers’ still-untitled fourth studio album, due June 15, is inching closer to completion. Nick Jonas told Billboard.comnine songs have been recorded and the album has been partly inspired by The Zutons, Neil Diamond and the brothers’ fellow rocking siblings, Kings of Leon. The album will be followed by the U.S. kickoff of their world tour June 20.

More on Jonas Brothers:
‘South Park’ saves the Jonas Brothers’ souls
Jonas Brothers announce world tour beginning May 19 in Lima, Peru
Jonas Brothers come up short at the box office
Jonas Brothers: Music From the 3D Experience gets a B+

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