Marcus claims there's no such band as Wednesday. He is incorrect. Wednesday was a Canadian pop band in the mid 1970s who made the US charts with a cover of "Last Kiss".
Ginny is pumping gas into the convertible on the side of the car away from the pump, with the pump in a position where the nozzle and hose could not possibly reach the tank opening. After she returns the nozzle to the pump, it is obvious there is no hose attached to it.
Ginny is riding an unfamiliar motorcycle while wearing a helmet covering her face and hair, and a jacket that she was just given by a friend that her mother had never seen covering her pants and yet she is recognized by her mother.