Music Buys is a term used to describe the purchase of music-related items. DISKS (5 letters) refers to vinyl records, which are round disks made of plastic that contain grooves that can be read by a needle. ALBUMS (6 letters) are collections of songs released together as a single product, usually on vinyl or CD. CDS (3 letters) are compact discs, which are small plastic discs that contain digital audio recordings.