Tomorrow Eastman celebrates the 330th birthday of Johann Sebastian Bach by bringing this great composer’s music to the community. Starting at 10:30 a.m. and continuing until about 12:30 p.m., Eastman students will perform Bach masterpieces at Hart’s Local Grocers at 10 Winthrop Street, including two of the Brandenburg Concertos and other chamber pieces. Downtown Rochesterians can get some musical nutrition while shopping for groceries!