Mainly from the 1950s, 1960s, and early 70s. If you were somebody chances were you'd be on Ed Sullivan, and if you weren't "Somebody" world known, you sure were after Ed Sullivan Show. Whether a comedian, a singer, a band, plate spinner, animal trainer, or whomever, word spread about it the next day. In the mid 1950s to the late 1960s, he had almost every popular rock band, R&B band or pop singer, there was.
Of course Elvis, Buddy Holley, The Beatles,
the Rolling Stones, the Temptations, the Supremes
and many others benefitted from that.
The countless comedians, comedy teams and much more.
There was no other variety show like The Ed Sullivan Show.