NCIS: Los Angeles NCIS: Los Angeles

Don't call LL Cool J's role on NCIS: Los Angeles a comeback; just call it a new source of inspiration.

Check out photos of LL Cool J on NCIS: Los Angeles

The rapper-turned-actor hit the studio to record "NCIS: No Crew Is Superior," a new track based on his experiences playing special agent Sam Hanna. "This song is the musical interpretation of what I felt after meeting with NCIS agents, experienced Marines and Navy Seals," LL Cool J said. "It represents the collective energy in the room.  I was so inspired I wrote the song on set."

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NCIS: Los Angeles
stars Chris O'Donnell and LL Cool J as special agents in the NCIS Office of Special Projects. The division is charged with apprehending dangerous and elusive criminals that pose a threat to the nation's security. The song's lyrics reflect the life-and-death nature associated with the job.

The record, which will be used to underscore CBS' promotion of the NCIS spin-off, reunited LL Cool J with producer C. "Tricky" Stewart ("Single Ladies," "Umbrella"). It is LL Cool J's first new music since his 2008 album Exit 13.

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Get your first look at the new video below. It features behind-the-scenes footage of LL Cool J in the studio, as well as clips from NCIS: Los Angeles, which premieres Tuesday, Sept. 22 at 9/8c.What do you think of the track? Are you excited for the new show?