'Phineas and Ferb Across: The 1st and 2nd Dimensions,' the new soundtrack to hit Disney animated show, just hit stores this week. The disc features seven new tracks and also includes 15 songs from the series. Noisecreep has already premiered the video for 'Kick It Up a Notch,' a track from the album featuring none other than Slash. Now we're exclusively bringing you some behind-the-scenes footage from the song's video shoot.

The Disney Channel Original Movie 'Phineas and Ferb: Across the 2nd Dimension' premieres on August 5 on Disney Channel: August 13, on Disney XD: and also on the ABC Television Network [date TBD]. "Slash is a rock icon, he's our hero," said executive producer Dan Povenmire. "We wanted a song that encapsulated the feeling of the series as well as the movie. Slash saw the movie with his kids and he liked it so much, he said, "Hey, let's write a song together!" It was really a dream come true." Check out the behind-the-scenes video under the cut

Behind-the-scenes footage from the Phineas and Ferb 'Kick It Up a Notch' feat. Slash video shoot

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In this animated adventure -- based on Disney Channel's Emmy Award-winning comedy series "Phineas and Ferb" -- stepbrothers Phineas and Ferb go on their biggest journey yet, into another dimension! Povenmire and fellow producer Jeff 'Swampy' Marsh said, "We're thrilled about the music in 'Phineas and Ferb: Across the 2nd Dimension.'

Music plays a big role in the movie just like the series. We always try to pepper in songs whenever we can to hook the audience in and a song gets you emotionally a lot quicker sometimes than dialogue would. It¹s part of what makes things memorable about the show."

Play 'Phineas and Ferb: Across the 1st and 2nd Dimensions' soundtrack free.