sentences:  On July 14, 2002 he married Helene Williams Spierman.They have collaborated on over 640 performances since March 1987, including 17 CDs and over 3300 videos on YouTube, with over 430,000 views to date.He graduated cum laude from Harvard; received a master's degree and a doctorate in music composition from Cornell; a master's degree in library science from Long Island University and studied under a Fulbright scholarship in Paris with Nadia Boulanger.