Premiere

a premiere (U or UA) is the first public performance of a piece of music or a stage work (z. B. in an opera or a theatre). With motion picture films one speaks instead of the world premiere.

If the piece was already shown at another place, can one only of a first performance (I/O, z. B. German-language I/O, German I/O, Munich I/O) speak.

The first performance of a new production at a place, where the work was already shown, is then only a premiere.

The general sample is the last sample before the premiere.

world premiere

a world premiere is exactly taken a tautology (as for instance white mould), which particularly in the marketing of a musical those is to load world-wide first public performance of a work superlativisch. But is the all first performancea piece already in the word premiere contain.

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Wiktionary: Premiere - word origin, synonyms and translations