The Philadelphia Orchestra has announced its 2018-19 season with numerous vocal guests. For this article, we will only focus only on the vocal highlights.

The season opens with Yannick Nézet-Séguin leading the orchestra in Nico Muhly’s suite from his recent opera “Marnie” alongside pianist Andre Watts in Grieg’s Piano Concerto and Rachmaninoff’s Symphonic Dances.

Performance Dates: Sept. 14-16, 2018

On Nov. 8, 2018, Joyce DiDonato teams up with Nézet-Séguin for Chausson’s “Poème de l’amour et de la mer.” The program will also include Wagner’s Prelude to Act I of “Lohengrin,” Bates’s Anthology of Fantastic Zoology and Respighi’s “The Fountains of Rome.”

Performance Dates: Nov. 8-10, 2018

Emmanuelle Haïm and Erin Morley join forces for a concert of Baroque music. The program will include selections from Purcell’s “The Fairy Queen,” Handel’s “Music for the Royal Fireworks,” and Handel’s “Il delirio amoroso,” a cantata for soprano and orchestra.

Performance Dates: Nov. 16-18, 2018

Jake Heggie’s “Moby Dick” get an orchestral suite arranged by conductor Cristian Măcelaru. The concert will also feature pianist Garrick Ohlsson in Barber’s Piano Concerto and Copland’s Appalachian Spring.

Performance Dates: Nov. 23-24, 2018

Nézet-Séguin conducts Handel’s “Messiah” in celebrating the holidays with soprano Carolyn Sampson, countertenor Christophe Dumaux, tenor Jonas Hacker, and bass-baritone Philippe Sly. They will be joined by the Westminster Symphonic Choir and director Joe Miller.

Performance Dates: Dec. 6-8, 2018

Rossini’s “Stabat Mater” will get a rare performance with the Westminster Symphonic accompanying soloists. Music director Nézet-Séguin conducts the work alongside Bernstein’s Symphony No. 3 “Kaddish.”

Performance Dates: Jan. 24-25, 2019

In celebration of Bernstein’s centennial, the company will conclude its programming with the composer’s musical masterpiece “Candide.” Nézet-Séguin conducts the work.

Performance Dates: June 20-22, 2019