Three songs from each semi-final will qualify via a public vote to the final on 12 February 2011.
Fencers who qualified via team selection are given spaces in individual competition too.
Brough plays at international level for Scotland, qualifying via his grandfather.
This took nothing away from Moore who qualified via a wild card and surfed consistently throughout.
Note: In the 1994, 1995 and 1996 seasons there were no semi-finals as the finalists qualified via a group stage.
A further 64 players qualified via regional qualifying tournaments.
It comprised six of the eight first round winners and the six teams that qualified via the "back door" route.
Qualifying via his mother, he has represented Scotland at 'B'level.
Other countries can qualify for the Olympics by winning the world championships, which America did, or via continental competitions.
The two Grand Finalists qualify via finals series play-offs at the end of the season.