[Electronic Music] Babbitt, Milton. (1916 - 2011)& Moog, Robert Arthur. (1934 - 2005) Signed FDCAn interesting signed First Day Cover from two American composers and musical innovators, both known as pioneers in electronic music and Moog known especially for being the inventor of the Moog synthesizer. Both have signed this 1985 FDC honoring Jerome Kern. In fine condition and sold together with two glossy modern reprint portrait photographs.