Concert Series: OkTubaFest \n 7:30 pm \;  &n bsp\; TENNESEE TECH TUBA ENSEMBLE Celebrating the ir 55 TH ANNIVERSARY this year! \n Th e TTTE will present the World Premiere performances of two new co mpositions by Roger Jones\, and original works by TTU composer Dr. Greg Da nner and TTU graduate James Canter in addition to some of the more popular transcriptions done for the TTTE including a work featuring recent TTU gr aduate Josh Whited on the solo euphonium.