1. plural of cassingle; a single song or track released on cassette tape, typically by an independent artist or as a promotional item.
Usage: informal; chiefly used in the 1980s–1990s music industry

Examples

• The band distributed cassingles at their local shows to build a fanbase.
• In the pre-digital era, cassingles were an affordable way for musicians to release music independently.
• Record stores often had bins of cassingles from unsigned artists.
• She collected cassingles from her favorite indie bands throughout the 1990s.