210761
The BAC Opera Festival 's Artistic Director at the time , Tom Morris , asked Ergen , who was working at the BAC as an Associate Producer , to create something different to the normal operatic preconceptions , in a manner similar to that of the Tête à Tête opera company at the Riverside Studios who were also taking the stage at the BAC Opera Festival that year .
 Ergen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ergen