#TuesdayTrivia December 6, 2016Latest News#TuesdayTrivia, brass, cello, double bass, music quiz, orchestra, percussion, Strings, trivia Tuesday, viola, violin, woodwindBlogAdmin Do you know which group of instruments must be included for a band to be classified as an orchestra? You can have all the woodwind, brass, and percussion you want but without strings it isn’t officially an orchestra.