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TOP 5 FAILED Record Formats!
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CD: O plano insano da Sony para destruir seu próprio FORMATO!
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CD Video: The Compact Disc/Laserdisc Hybrid and the Laserdisc Format Relaunch - The Soundtracker
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The Smallest Portable CD Players Ever Made (That Nobody Bought)
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Cassettes: EVERYTHING You Know is a LIE!
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When Mini-DVD tried to go big
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