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The performances of the season is the season'sperformances (one season).
The performances of the seasons is the seasons'performances (two or more seasons).
'performances' in Spanish is 'actuaciones'
Vocal Performances was created in 1981.
Great Performances - 1971 Great Performances 20th Anniversary was released on:
USA: 9 October 1992
Great Performances - 1971 Great Performances at the Met Viewer's Choice was released on:
USA: 2 December 2007