This Smithsonian Collection American Popular Song 4 Cassette Edition Box Set with Book is a must-have for music lovers. The set features various artists performing easy listening, jazz, soul, rock 'n' roll, blues, and oldies music from the 1950s. The cassettes come in a standard jewel case and are labeled by CBS Records.

The accompanying book provides information on the release title and the era of the music. This box set is a perfect addition to any music collection and a great way to experience the popular music of the 1950s.