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.
Optical Discs for Audio | Museum of Obsolete Media
Sony 50CRM80RS Audio CD-R Music - Pack of 50 for sale online | eBay
Buy Music CD-R | CD Recordable & Rewritable Discs | Verbatim Online Shop
PHILIPS - CD-R Blank CDs for Audio Recorders - Jewel Case 10 Pack - Walmart.com
100 Pack Smartbuy Digital Audio CD-R Music 52X 700MB/80Min Branded Logo Blank Recordable Disc, 100 - Kroger