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abs anthro balls dinosaur electric_guitar genitals guitar hi_res humanoid_genitalia humanoid_penis male musical_instrument nipples nude pecs penis performance plucked_string_instrument prehistoric_species proann reptile rocco_(tallion)rock_out_with_your_cock_out saurischian scales scalie solo stage stage_lights string_instrument theropod tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex