Adair auditioned for guitarist Dave Martone, a Berklee College of Music graduate, who was starting an instrumental fusion band.

In 2002, Adair joined the multi-platinum, Mississippi-based band 3 Doors Down, as the touring and studio drummer.

Adair left 3 Doors Down to join the Canadian band Nickelback.

On October 21, 2007, James Stephen Hart (former frontman of Eighteen Visions) announced that Adair was recording drum tracks for his new band, Burn Halo.

Adair holds a private pilot licence, originally learning to fly on ultralight aircraft, and currently owns a Maule M-7.