By Chaning Green Oxford Citizen OXFORD – Every year, Visit Oxford organizes the Double Decker Arts Festival, Oxford’s biggest weekend event in the spring. Headlining the 2017 Double Decker Arts Festival will be Dr. Jon & The Nite Trippers and Nathaniel Rateliff & The Night Sweats. Dr. Jon is an internationally renowned musician who has won six Grammys and been inducted to the Rock and Roll Hall of Fame.