Conversation so far:
What is Radio Gnome Invisible trilogy?
Flying Teapot was released on 23 May 1973, the same day as Tubular Bells, and was the first installment of the Radio Gnome Invisible trilogy.
What was Tubular Bells?
Mike Oldfield's Tubular Bells.
Was Mike Oldfield part of Gong?
Kevin Ayers, and who had replaced Oldfield in Ayers' band.
How did Flying Teapot do?
expounded upon the (previously only hinted at) Gong mythology developed by Allen.
What was the Gong mythology?
CANNOTANSWER.
What was the second part of the trilogy?
Angel's Egg.
When was Angel's Egg released?
December.
When was the third released?
October 1974.
What was the title of the third part?
You.
Are these separate albums or are they parts of a bigger album?
CANNOTANSWER.
Are there any other interesting aspects about this article?
In June 1974, Camembert Electrique was given a belated UK release by Virgin, priced at 59p, the price of a typical single at the time.

Question: How did the album do?
Self-contained rewrite: How did Gong's album do?