Band's career retrospective collection, often: 2 wds

• Complete Beatles collection, perhaps
• Complete DVD collection, maybe
• It might contain a discography
• Garbage collection, maybe?
• Complete-series DVD buy
• Music buyer's option
• "Best of" collection, often
• "Complete series" DVD purchase, say
• Nice gift for a couch potato

Wiktionary Word definitions in Wiktionary
n. (alternative form of box set English)