He was the former concertmaster of the Indianapolis and San Antonio Symphony Orchestras, and had performed as a soloist and chamber musician throughout North America, Europe, and Asia.
His violin teachers included: Jacques Thibaud and José Figueroa in Paris, Carl Flesch in London, and Bronislaw Huberman in New York.
An elegant and distinguished performer, Rosenblith premiered and recorded many new works by American composers including David Stock, George Crumb, Alan Lighty, and Lucia Dlugachevsky.
He founded and served as the artistic director of the International Musical Arts Institute of Fryeburg, Maine.
Among his releases was Complete Works for Violin and Piano by Johannes Brahms with pianist Heng-Jin Park.