An opening act, also known as a warm-up act, support act, supporting act or opener, is an entertainment act, that performs at a concert before the featured act, or "headliner". From Wikipedia
"30th and 20th Anniversaries of Seminal Albums 'Dookie' and 'American Idiot' Drive Tour; Band Also To Debut Music from Forthcoming 14th Studio Album 'Saviors'"
