In S1E6, Lorelai unsuccessfully tries to get Emily to relinquish Friday night because of Rory’s birthday. Sitting in their Jeep after dinner, Rory says, “You couldn’t get her to cave.” Lorelai responds, “No, but she did agree to make the string quartet learn ‘Like a Virgin.'”
“Like a Virgin” is a song by Madonna released in 1984. It was written by Billy Steinberg and Tom Kelly. It is considered one of Madonna’s most iconic songs.