Conversation so far:
what is the song vogue about?
Like an Icon, the video was brought together after a "huge casting call" in Los Angeles where hundreds of different sorts of dancers appeared.
which dancers were chosen?
hundreds of different sorts of dancers appeared.
how did the casting call go?
together after a "huge casting call.

Question: anything else about the song?
Self-contained rewrite: In addition to the huge casting call was there anything else about Vogue?