In the Foo FightersDave Grohl, Nine Inch NailsTrent Reznor and Queens of the Stone Age's Josh Homme, you've got three of rock's great frontmen, yet with their 'Sound City' soundtrack collaboration the three musicians chose to let their instruments do the talking on a new song called 'Mantra.'

Video footage of the studio performance shows the trio taking their places in Grohl's darkly lit Studio 606 recording space. Though separated in distance, viewers can frequently see Reznor's keyboard work, Grohl keeping the beat and Homme's plucky bassline in unison courtesy of split screen video shots. Even the song's board engineer gets some camera time thanks to the visual trick.

The 'Mantra' studio video just debuted at Rolling Stone, and the clip of the instrumental performance shows exactly the intensity and chemistry that went into the creation of the song. However, even though it's all serious as they're playing, Reznor lights up with a smile after the track is complete, with Grohl inviting him and Homme into the booth to listen to a playback of their recording. Watch the clip below.

The actual final recording of 'Mantra' comes complete with vocals. It's one of the standout tracks on the 'Sound City: Real to Real' soundtrack, which is currently streaming ahead of its release. The disc will arrive in stores on March 12. Pre-orders are still being taken here.

Watch Dave Grohl, Trent Reznor + Josh Homme in the Studio (Full Size at RollingStone.com)