Portable CD Player - CD/CD-R/CD-RW/MP3/WMA - ApolloBox
100 SONY CD-R Music Disc, Digital Audio Recordable For CD Recorders and Computer Writer, 5 Assorted Color, 80 min : Electronics - Amazon.com
CD, DVD & Blu-ray Discs, Blank Media & Accessories, Drives, Storage & Blank Media | Sterlingxs
Museum of Obsolete Media on X: "CD-R Audio discs were introduced in 1997 for use in standalone audio CD recorders that required these special discs since copyright levies were applied to them.