There may be no stranger experience than putting on an album, letting it play through, forgetting to hit stop and suddenly finding yourself face-to-face with a hidden track. Secret tracks can be unsettling, comedic or even terrifying. If a band comes up with something weird in the studio, you just might find it concealed within one of your favorite records.

Secret tracks are prevalent on hundreds of albums, but we've picked out our personal favorites and compiled them into this list. For truly fascinating and addictive pieces of classic releases, from bands such as Nirvana, Alice in Chains, Tool + more, check out our picks for rock's Best Hidden Tracks:

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