The Triangle Youth Philharmonic Spring Concert on Sunday, April 21, 3 pm, in Meymandi Concert Hall, will be a fitting celebration of thirty years of great music making. The concert will open with Artistic Director and Founder, Hugh Partridge, leading the orchestra in a commission for the anniversary by R. Michael Daugherty entitled Celebration Overture. TYP Alumnus and Association Conductor will then accompany Co-Concertmaster, Caroline Jesalva, in Vieuxtemps Concerto No. 5. After intermission, the orchestra will perform the monumental “Titan” (Symphony No. 1) by Gustav Mahler..