Maestro Singher has conducted for many American opera companies from Alaska to Florida. At the specific request of Charles Mackerras, he has been Sir Charles' understudy for three productions at San Francisco Opera.

On the symphonic podium, Mr. Singher has led the Berlin Radio Symphony Orchestra,  the Basel Symphony Orchestra, and the Seattle Symphony Orchestra, among many others. He was for several years Professor of Orchestral Conducting at the Oberlin Conservatory of Music. His concerts with the conservatory's orchestras were frequently broadcast on NPR's "Performance Today," and he led the Oberlin Orchestra in an acclaimed all-Beethoven concert in Lincoln Center's Alice Tully Hall.