According to Sill’s brother Lonnie, he died at Sherman Oaks Hospital, surrounded by family. He had contracted pneumonia following kidney and liver failure.
The son of legendary music publisher and label executive Lester Sill, he began his career as a music coordinator at Columbia Pictures in 1976. He went on to serve as director of music at American International Pictures, director of TV/film music at CBS Songs and at publisher Warner/Chappell. He was also VP of music at Warner Bros. Television.