 As young composer (from 2006 and earlier), several works written by Pareyon were selected for the Thailand International Saxophone Competition for Composers (Bangkok, 2006, I Prize), the 2nd International Jurgenson Competition for young composers (Moscow, 2003, II Prize) and the 3rd Andrzej Panufnik International Composition Competition (Kraków, 2001, III Prize).His earlier production includes works for common objects (such as bottles, stones, etc.