Conversation so far:
who sang in the court of the crimson king
Greg Lake was lead vocalist of the band King Crimson.
when was the album In the Court of the Crimson King released
In the Court of the Crimson King was released on 10 October 1969.
was the album In the Court of the Crimson King influential
The album In the Court of the Crimson King is one of the first and most influential of the progressive rock genre.

Question: how did the album do on the charts
Self-contained rewrite: how did the album In the Court of the Crimson King do on the charts