求翻译：电子琴演奏：曾多次参加商业演出，如：啤酒节演出、泰达美爵大酒店圣诞演出等。是什么意思？

Keyboard to play: who have participated in business performance, such as: beer festival performances, Grand Mercure Teda Christmas performances.

electronic piano: have participated in many commercial performances, such as: beer festival, Mercure Teda Hotel Christmas performances.

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Electronic piano: conducted a number of business performance, such as the Christmas Beer Festival, Grand Mercure Teda Hotel performances.

The electronic keyboard is played: Has participated in the commercial performance many times, for instance: Performance for Beer Festival, performance for Christmas of the hotel, American ancient wine vessel with three legs and a loop handle of Taida,etc..