"Jailhouse Rock" by Elvis Presley is featured on Just Dance 4, Just Dance Now, and Just Dance Unlimited. The song can be found in the files of the servers of 舞力无限.[2] The song also has an alternate routine titled "Line Dance Version", which is available on Just Dance 4 (except for the Wii version), Just Dance Unlimited, and Just Dance Now. The dancers consist of two men and two women dressed in 1950s fashion. They have an orange outline. P1 is a man with short black hair. He wears an orange suit