(Photo Credit: David Conte) Closing its 13th season, the Washington Master Chorale will present the world premiere of David Conte’s new work “The Unknown Sea” as part of the “Poetry Into Song” concert on March 5, 2023, at the National Presbyterian Church. The concert starts at 5:00 p.m., local time. The new choral-orchestral work will feature mezzo-soprano Lena Seikaly, SATB {…}