Complex sentence: He occasionally played in public in the early 1970s until shortly before his death from leukemia and heart failure in Yonkers, New York at the age of sixty-four.
Split into simpler sentences: He occasionally played in public in the early 1970s until shortly before his death. Krupa remarried in 1959 (to Patty Bowler) He died of leukemia and heart failure in Yonkers, New York at the age of sixty-four.