With their independently-released new album Underneath splashing onto the charts today at Number Twenty-five, Hanson are how turning their attention to lining up dates for a U.S. tour to begin in June or July. The tour will be Hanson's first since a wildly popular acoustic set of dates last year.

The trio of Hanson siblings -- guitarist Isaac, 23; keyboardist Taylor, 20; and drummer Zac, 18 -- was in New York City last week to mark the launch of the record (on their own 3CG Records) with an in-store performance at the Virgin Megastore in Times Square. "I have to say it was an emotional day," says Isaac. "I kind of choked up. There's been so much emotion that's been put into the record and so much time."

Underneath ends a four-year silence for Hanson, and while the group's sales don't match their "MMMBop" heyday, the independent route has been successful for them. The first single, "Penny and Me," debuted Number Two in March with 7,000 sales, according to Nielsen SoundScan, trailing only the latest song by Clay Aiken. The "Penny and Me" video has consistently been in the Top Ten at MTV's TRL, and stars actress Samaire Armstrong from Fox's hit television series The O.C.

"She is a really cool girl," Isaac says. "She's very, very pretty and totally the right person to be in the video. She plays the symbolic Penny character and basically the whole mantra of the video is 'we're the music for her; she's the music for us.' The whole songs is about the nostalgic moment of remembering good times with that loved one, whether it be boyfriend, girlfriend, friend, whatever it is, and that the music and that person is always with you."

Isaac says "Deeper," "Underneath" (which the group co-wrote with Matthew Sweet), "Get Up and Go," and "Lost Without Each Other," are all in the running as follow-up singles, but that "Penny & Me" was the unanimous choice to set up the album. "It describes a lot of who we are as a band," he says. "I think it shows a side of the band that maybe people aren't as familiar with. But I think it's a side of the band that has always been there. You can feel and see pieces of 'Penny & Me' throughout our records."