Sugarman Vocal Studio students, Susan Simpson and Pilar Montero will be singing with the Marin Symphony Chorus. Pilar is a returning member of the Chorus, which is featured in Symphony’s concert programming. This season, the Chorus performs Brahms’ majestic masterpiece, A German Requiem, the featured work at the Remembrance and Renewal concert on Sunday, April 14, and Tuesday, April 16, 2013.