Conversation so far:
what did Gerry Mulligan do for the last few years of his career
Mulligan's final recording was a quartet album (with guests)
what did Gerry Mulligan record during the last few years of his career
Mulligan's final recording was a quartet album (with guests), Dragonfly, recorded in the summer of 1995 and released on the Telarc label.
what hits were on Dragonfly
what other albums did Gerry Mulligan record besides Quartet Volume 1, Lee Konitz Plays with the Gerry Mulligan Quartet, and Dragonfly
He has recorded several albums like Jeru and Night Lights
did Gerry Mulligan die
Mulligan died in Darien, Connecticut, on January 20, 1996, at the age of 68

Question: what did he die of
Self-contained rewrite: what did Gerry Mulligan die of