The "Swing Time Jivers 4-Song EP" features a collection of rock 'n' roll and rockabilly songs performed by artists such as De Castro Sisters, Terry & Macs, and Bonnie Sisters/Kingbeats. This collector's edition vinyl record, released on the Swing Time Jivers label, includes songs like "Don't Call Me Sweetie," "Baby O' Mine," "Shug-Ga Dug-Ga," and "I'll Tell." With a 45 RPM speed and 7" record size, this EP captures the essence of 1960s and 1950s music in the United States, making it a must-have for fans of vintage rock music.