Karussell

I wonder if the background music was played on a calliope?

Karussell Musik und Video GmbH was a German recording company. Among their many products were cassette tapes retelling the stories of various episodes of the Transformers cartoon. Each cassette retold two episodes selected from the first three seasons of the cartoon using dialogue recorded for the German dubs. While the cassettes proceed in generally chronological order, there is no apparent pattern as to which episodes were selected. Cover art was even more random, with some characters appearing on the covers of tapes that do not feature them. Of particular note is the appearance of Wreck-Gar on the cover of tape #2 and Hubcap (!) appearing on the cover of tape #3, both tapes contain only Season 2 episodes.

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  Volume 1: Transport to Oblivion and Roll for It
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  Volume 2: Auto-Bop and The Autobot Run
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  Volume 3: The Girl Who Loved Powerglide and Hoist Goes Hollywood
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  Volume 4: Dark Awakening and Forever Is a Long Time Coming
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  Volume 5: Starscream's Ghost and Thief in the Night
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  Volume 6: Surprise Party and Madman's Paradise