The Edinburgh International Festival has unveiled its 2023 season. For the purposes of this article, our focus will be solely on vocal performances. It all kicks off with a performance of Tan Dun’s “Buddha Passion,” conducted by the composer himself. Soloists include Louise Kwong, Samantha Chong, Chen Chen, Sun Li, Batubagen, Tan Weiwei, and Chen Yining. Performance Dates: August 5, {…}