Canadian company L’Orchestre de l’Agora has unveiled its 10th season. Here is a look at the vocal performances on offer. First up is “L’Incoronazione di Poppea.” Nicolas Ellis conducts a cast starring Ilanna Starr, Emma Fekete, Ian Sabourin, Sophie Naubert, Rachèle Tremblay, and Chelsea Kolic, among others. Aria Umezawa directs. Performance Dates: Nov. 18 & 19, 2023 Next up is {…}