This death comes before Super Bowl 57 between the Kansas City Chiefs and the Philadelphia Eagles. Of course, Burt Bacharach is from Kansas City. His name also connects with the Eagles.
Burt Freeman Bacharach = 87
Philadelphia Eagles = 87
The name of his song also fits.
Raindrops Keep Fallin On My Head = 439 (85th prime)
National Football League = 85
The Eagles won the Super Bowl in their 85th season, that was Super Bowl 52.
Burt Bacharach = 52
Also noteworthy, he died on the 39th day of the year, 39 weeks from his birthday. The Eagles also lost in Super Bowl 39 when Andy Reid was their coach, and Super Bowl 57 is in Arizona.
Arizona = 39