His career in music began in high school with a group called BellBangVilla. BellBangVilla became Poor Old Lu and they released a number of albums (see below). Aaron Sprinkle also sang and played lead guitar in Rose Blossom Punch, and has produced albums independently. On his solo releases, he plays almost all instruments except drums, and his wife Karina occasionally writes lyrics. He was hired as producer for Tooth & Nail Records in 2001, and works out of Compound Recording Studios in Seattle, Washington. In 2005, Sprinkle formed the band Fair with Joey Sanchez, Nick Barber, and Erick Newbill. Fair released its debut album The Best Worst-Case Scenario on Tooth & Nail Records in June 2006. He is the brother of Jesse Sprinkle.