Which music packaging innovation was specifically designed to reduce environmental impact while maintaining the collectible appeal of physical music products?

The music industry has seen dramatic changes in how its products are packaged and delivered to consumers - from vinyl records in cardboard sleeves to cassettes, CDs in jewel cases, and now digital files and streaming. This evolution reflects changing consumer preferences, technological advancements, and environmental considerations. Test your knowledge about how music product packaging has transformed over the decades and impacted the industry's economics and consumer experience.

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Digipak (paperboard packaging that replaced plastic jewel cases)
MiniDisc (smaller than CDs with plastic caddy protection)
MP3 album download cards (plastic cards with download codes)
Double vinyl gatefold sleeves (expanded album artwork packaging)