This article investigated audience judgment of performance quality in opera. en the basis of Boemer's (2004) componential framework of performance quality in opera, a first version of the "questionnaire for the perception of performance quality in music theater" was developed. This questionnaire was validated in two pilot studies with 70 and 39 graduate students in Studies 1 and 2. respectively. In Study 3, the content and the structure of spectators' judgments of performance quality in opera were examined in a field study by interviewing 145 visitors to the opera La fona del destino (Verdi) in Cologne Opera House. Conclusions for further research OD reception of opera performance are drawn.Music theater, combining the presentation of music, language/plot and manifold visual stimuli, undoubtedly makes for one of the 'most complex and demanding forms of aesthetic experience, enjoying, among other reasons, high cultural status