 Although bagatelles are generally written for solo piano, they have also been written for piano four hands, harpsichord, harp, organ, classical guitar, vibraphone, unaccompanied oboe, clarinet, violin, viola, various chamber-music configurations, orchestra, band, voice and piano, and a cappella choir.The earliest use of the name "bagatelle" for a musical work was by François Couperin, in his tenth harpsichord "ordre" (1717), in which a rondeau is titled "Les bagatelles" .The best-known bagatelles are probably those by Ludwig van Beethoven, who published three sets, Op.