The Boy Band Next Door

The Jonas Brothers are so pure they could be carved from a bar of Ivory soap. All three of them—Kevin, 20, Joe, 18, and Nick, 15—wear a "purity ring" on their left-hand ring finger, pledging to remain virgins until marriage. "People are, like, 'No way, that's impossible'," says Tiger Beat-cute Joe. "Our parents asked if we wanted to, and we were, like, 'Yeah,' so it's awesome." That's just how they roll in the Jonas family: their dad, Kevin, is an ordained minister who met their mother, Denise (clearly the party responsible for their sons' soulful espresso-bean eyes), in a church singing group. The boys sing a little themselves, and this week the Jonas Brothers are kicking off their first solo tour in Tucson, Ariz. Kevin has already selected his preferred backstage food supplier. "The catering at the venue will be Grandma," he says. "I've already talked to Mom and Dad about it. She can make our meatball sandwiches and stuff." Sweet, isn't it? But what's really adorable—and amazing, in this tabloid world—is that the Jonas Brothers think like this even though they're on the brink of becoming the hottest teen band on the planet. With that kind of pressure, Grandma's comfort food might be a good idea.

You may not have heard of the Jonas Brothers, but your tweenage daughter and her friends would push Miley Cyrus onto the tracks to get a concert ticket. Not that there are many of those to go around. Dates for the Jonas tour have been selling out in minutes; some cities have booked two shows on the same day, which is a good thing, since the boys have a hefty touring contract from promoter Live Nation in their jeans pockets. (That's the same company that Madonna signed her estimated $120 million deal with in October.) "They're good-looking guys, they write their own songs and it's music that you can't get out of your head," says Jason Garner, Live Nation's CEO of North American music. "This is a band who is doing everything right." Though the brothers aren't doing it entirely on their own. They're also the latest Disney music triumph, following in the hit parade led by Cyrus and the kids from "High School Musical." They come to their new tour straight from opening for Cyrus, a.k.a. Hannah Montana, on her $36 million-grossing "Best of Both Worlds" tour. But it's the Jonases' world now.

The boys got their start the old-fashioned way—they were signed, and then dropped, by their record label. In 2005, Steve Greenberg (who also discovered Hanson) signed the trio to Columbia. They released one album and were let go. In early 2007 Disney's Hollywood Records picked them up, and by the time their new self-titled CD full of catchy tunes came out in August, Radio Disney had some of their songs in rotation and the Disney Channel was playing their videos. Then came the money shot: the boys guest-starred on the "Hannah Montana" episode that immediately followed the premiere of "High School Musical 2." Unlike those made-for-TV singers, the Jonases do all their own singing, play their own instruments and co-write their songs.

The boys are from Wyckoff, N.J., but they now call L.A. home—when they're there, which Joe says means "four days since last May." Each brother has his own vibe: Kevin, who taught himself guitar one day when he was home sick from school—he faked being sick a few days to get in some extra practice time—is gregarious and earnest. Joe likes getting to be "all Mick Jagger-ish" as the guy upfront and trades off on vocals with mop-top Nick, who possesses a stillness that belies his 15 years. They don't seem to have any of the usual band drama; the brothers don't even interrupt each other in conversation or—if you can believe it—bicker. "We don't ever really fight because we're doing something really cool," says Joe, "so there's nothing to really fight about."

Don't worry if you miss them this time around—there will be plenty of Jonas to come. Their new record is being released in July. "There are definitely some Prince-like aspects," Kevin says about the songs. (Though he might have to explain exactly who that is to their fans.) There's the Disney film "Camp Rock," coming out in June, and a Disney series called "J.O.N.A.S." slated for the fall. They've even got another brother on the bench: 7-year-old Frankie—the "Bonus Jonas," as fans call him. "He's really making a name for himself," says Kevin. "When we do events now, he can't really go anywhere because our fans know him so much they start screaming his name." His brothers should pick up some earplugs for him, and a few pairs of sunglasses for themselves while they're at it—the future looks so bright they're going to need them.