Conversation so far:
When was the first boy band formed?
The earliest traces of boy bands were in the mid-1950s although the term was not used.
When did boy bands become popular?
The first commercially successful modern boy band formed in 1984 and found international success in 1988.
Who was the first major boy band group?
The Beatles are considered by a number of journalists the first or the original boyband.
What were some other early boy bands, besides the Beatles?
Groups such as the Jackson 5 and the Osmonds helped form the template for boy bands.

Question: How did the boy band evolve over the years?
Self-contained rewrite: How did the boy band format evolve over the years?