The number one British single today in 1955 …

… on the day Bo Diddley made his first appearance on CBS-TV’s Ed Sullivan Show. Diddley’s first appearance was his last because, instead of playing “Sixteen Tons”  …

… Diddley played “Bo Diddley”:

The number one single today in 1965 could be said to be music to, or in, your ears:

The number one single today in 1967:

The number one single today in 1971 is about someone they say is a bad mother … (shut your mouth):

Today in 1973, a 19-year-old fan of The Who replaced drummer Keith Moon for a concert in San Francisco after Moon’s drink was spiked with horse tranquilizer:

The number one single today in 1975:

The number one single today in 1979:

Birthdays begin with one-hit-wonder Norman Greenbaum:

Duane Allman …

… was born a year before Joe Walsh:

• Music