Hard Rock Cafe is celebrating its 37th birthday with an outdoor concert featuring Detroit's own CATFISH MAFIA and BBQ to benefit Forgotten Harvest. Come celebrate with Hard Rock and the Jager models from 5-8pm. Bring in any nonperishable can food item for Forgotten Harvest and receive a free hot dog! Throughout the day, HRC will offer $.71 hamburgers in celebration of HRC grand opening in 1971 for the brave men and women of our local Police and Fire Departments.