One strange anniversary in rock music: Today in 1968, Paul McCartney and Jane Asher attended a concert of … Andy Williams:

Eleven years later, not McCartney, but Elton John became the first Western artist to perform in the Soviet Union.

Four years later, David Bowie’s suggestion reached number one:

Birthdays start with Ronald Isley, one of the Isley Brothers:

Animals guitarist Hilton Valentine:

Bill Champlain, who sang for Chicago, the greatest rock band in history …

… although his tenure with the band was during its late-’80s-and-onward descent into ballad hell, instead of:

Leo Sayer was born a year later:

Roger Hodgson of Supertramp:

Molly Hatchet keyboard player (who knew they had one?) John Glavin …

… and Tom Petty and the Heartbreakers drummer Stan Lynch were born the same day: