Topic summary
Physical single
Extracted from the Wikipedia article Single (music).
Types of physical singles
Singles have been issued in various formats, including 7-inch (18 cm), 10-inch and 12-inch discs, usually playing at 45 rpm; 10-inch shellac discs, playing at 78 rpm; maxi singles; 7-inch plastic flexi discs; cassettes; 8 or 12 cm (3.1 or 4.7 in) CD singles, and less commonly on Digital Compact Cassette and many non-standard sizes of vinyl disc (5 in or 13 cm, 8 in or 20 cm, etc.). Singles were also released on DVD, CD Video, and Laserdiscvideo formats, which would additionally contain music videos to be watched on a display such as a television set.