All participants

Republic of Armenia
 — August 6, 2020
Participated in 2008
China
 — January 1, 1991
Participated in 2008
Russia
 — February 19, 1989
Participated in 2008
Russia
 — August 6, 2020
Participated in 2008
Portugal
 — August 10, 1993
Participated in 2010
Poland
 — October 21, 1991
Participated in 2008
 — November 19, 1984
Participated in 2006
Greece
 — August 6, 2020
Participated in 2012
Iceland
 — November 27, 1992
Participated in 2010
Russia
 — December 10, 2004
Participated in 2018
 — August 23, 1985
Participated in 2006
Czech Republic
 — August 6, 2020
Participated in 2010
Orchestra Prize
Germany
 — August 6, 2020
Participated in 2014
Armenia
 — August 6, 2020
Participated in 2014
Russia
 — August 6, 2020
Participated in 2014
Denmark
 — October 6, 1988
Participated in 2008
Germany
 — July 24, 1991
Participated in 2008
Belgium
 — August 6, 2020
Participated in 2012
Portugal
 — February 24, 1988
Participated in 2008
Ukraine
 — August 6, 2020
Participated in 2012