1. Sibling Mannings Team Up In Boomkat

    April 08, 2003 12:00 AM EDT Excerpted from the magazine for Billboard.com. Sibling acts and pop music have often gone hand in hand. DreamWorks recording act Boomkat looks to put its own spin on that tried-and-true formula with its debut, "boomkatalog.one." Due April 8, it is a collection of hip-hop-inspired…