When it was time to assemble the soundtrack to his first feature film, "On the Line" (opening nationwide Oct. 26), all 'N Sync member Lance Bass had to do was leaf through his personal phone book to e

When it was time to assemble the soundtrack to his first feature film, "On the Line" (opening nationwide Oct. 26), all 'N Sync member Lance Bass had to do was leaf through his personal phone book to enlist artists to participate. "I wasn't surprised that it was easy to get people interested in the project," he says. "Artists still have a good attitude about doing soundtracks. The surprising part was how many were willing to tailor songs to the movie."

The vocalist/budding filmmaker says that he invited Vitamin C, Robyn, BBMak, and Bon Jovi guitarist Richie Sambora (who also appears in the movie) to a rough-cut screening of the film, and "they each left inspired to write songs for it. It was an enormous compliment."

Also created especially for "On the Line" is the title track, a breezy pop gem that combines the vocals of Bass, 'N Sync co-hort Joey Fatone (one of the movie's co-stars), Mandy Moore, and up-and-coming act True Vibe. The track serves as the set's first single, and it's supported by a videoclip directed by Marc Webb (Green Day, 3 Doors Down).

Bass says, "It was fun to sing in a context that was radically different from 'N Sync." That said, don't expect Bass to hit the solo trail anytime soon. "I'm a harmony singer, and that's all I want to be when it comes to music." Fatone, on the other hand, tries his hand at the microphone alone, offering a notably potent performance on the cut "Ready to Fall," a guitar-laced ditty that sounds ripe for pop and AC radio picking.

The rest of 'N Sync are represented via the album cuts "That Girl (Will Never Be Mine)" and "Falling," both of which appear on the European pressing of the act's current opus, "Celebrity." Also contributing songs to "On the Line" are Britney Spears, Al Green, Blaque, and Jessica Fowler.

With "On the Line" in the bag, Bass admits that he has been "bitten by the bug." He's already eyeing his next few film projects, which he'll gradually develop in between 'N Sync commitments. There's just one thing that he'll do differently next time: he won't play the lead in his next movie project.

"I know that it was pretty ballsy of me to take on so many aspects of my first movie," he says. "But if you're going to dive in, aim for the deep end, right? Now that I've had that experience, I'm ready to pull back just a little and sharpen my skills. This is not a lark for me. I'm serious about building this aspect of my career over time.

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