The product is an audio CD titled "What You Don't Know" by Expose, released in 1989 under the record label Arista. Produced by Lewis A. Martinee, the CD features a dance style within the genres of Dance & Electronica and R&B & Soul. With a run time of 62 minutes, the CD includes hits from the group such as "What You Don't Know" and "When I Looked At Him". This CD is a great addition to any music collection for fans of dance and R&B music from the late 80s.