Conversation so far:
What inspired the album Sgt. Pepper's Lonely Hearts Club Band?
An LSD trip inspired the album.
Are there any other interesting aspects about this article about Sgt. Pepper's Lonely Hearts Club Band?
In 1987, Anthony DeCurtis of Rolling Stone described Sgt. Pepper as the album that revolutionized rock and roll.
What was the concept behind the album Sgt. Pepper?
McCartney had an idea for a song that eventually formed the impetus of the Sgt. Pepper concept, an Edwardian-era military band.
What were the hit songs from the album Sgt. Pepper?
The top 3 songs were A Day in the Life, Lucy in the sky with diamonds, and With a little help from my friends.
What else is interesting about the album Sgt. Pepper?
Sgt. Pepper was recorded using four-track equipment. Although eight-track tape recorders were available in the US, the first units were not operational in commercial studios in London until 1967.
Who created the album Freak Out!
Freak Out! is the debut studio album by American rock band the Mothers of Invention.

Question: What other albums inspired Sgt. Pepper's?
Self-contained rewrite: What other albums inspired Sgt. Pepper's besides Freak Out!?