Rev Your Engines! Behind the Scenes at Dierks Bentley's Celebrity Motorcycle Ride

The singer rallies his famous friends to help raise money – more than $330,000! – for a great cause

DADDY'S HIP KID

Aww! Country star Dierks Bentley gets a little support from 11-month-old son Knox at his 9th Annual Miles & Music for Kids celebrity motorcycle ride and all-star concert on Sept. 28 in Nashville. "I definitely want [my kids] to understand the importance of giving back," Bentley told PEOPLE of Knox and daughters Evalyn, 5½, and Jordan, 3½. "I hope that this is one of those things that they'll look back on and think, 'This is something really cool that my dad did.'"