Which album's innovative packaging design included a functional zipper on the cover that could be unzipped to reveal a mock underwear design underneath?

In the music industry, album packaging has evolved from simple protective covers to innovative artistic statements that enhance the listener's experience. Some packaging designs have become just as iconic as the music itself, while others have pushed technological boundaries and transformed how we interact with physical music products. Test your knowledge of groundbreaking packaging innovations that changed the music industry landscape!

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The Rolling Stones' 'Sticky Fingers' (1971)
The Beatles' 'Sgt. Pepper's Lonely Hearts Club Band' (1967)
Pink Floyd's 'The Dark Side of the Moon' (1973)
The Velvet Underground & Nico's debut album (1967)