(Credit: Soloman Howard) Boston Philharmonic Orchestra has announced its 2025–2026 concert season. Here are the vocal performances on offer. First up is Verdi’s Requiem, featuring soprano Ailyn Perez, mezzo-soprano Daniela Mack, tenor John Osborn, and bass Maharram Huseynov. The performance includes Chorus pro Musica under Jamie Kirsch, with Donald Palumbo serving as guest choral coach and artistic advisor. Benjamin Zander {…}