The Maloof brothers have already established themselves as trendsetting moguls in the worlds of sports, food & beverages and banking. Next up? Rock music. The June 10 on-sale of “Light It Up,” the sophomore effort from New York’s Rev Theory, will mark the inaugural release from Maloof Music, a joint venture between the famed businessmen and Interscope Records. To commemorate the relationship, the Maloof’s are hosting a party destined to return the “sin” to the words “hit single,” with Rev Theory taking over the luxurious Rain Nightclub at the Maloof’s Palms Resort & Casino, in Las Vegas. The June 12 festivities – to be hosted by Las Vegas radio station…