Music fan's purchase, perhaps

• Nice gift for a couch potato
• Police collection, say?
• Complete works, maybe
• Band's career retrospective collection, often: 2 wds
• Garbage collection, maybe?
• Music buyer's option
• "Best of" collection, often
• Complete DVD collection, maybe
• "Complete series" DVD purchase, say

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