Which famous album was the first to include a functional zipper as part of its physical packaging design?

The music industry has seen countless creative packaging designs that have become as iconic as the music itself. From gatefold sleeves to interactive elements, album packaging has evolved dramatically over the decades. This poll tests your knowledge about a groundbreaking packaging innovation that changed how fans experienced physical music products and created a lasting impact on music merchandise.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

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)
Led Zeppelin's 'Physical Graffiti' (1975)