A CHORALE is a type of hymn composed by Johann Sebastian Bach, often used in Lutheran churches. A PARTITA is a suite of dances for solo instruments or small ensembles, also composed by Bach. A MINUET is a French dance in triple meter, popular in the Baroque era and often composed by Bach. A toccata is an instrumental piece, usually for keyboard, featuring fast passages and improvisation. A sonata is a piece of music for one or two instruments, usually in several movements. An arioso is a type of lyrical vocal piece, often composed by Bach. A fugue is a contrapuntal composition, with multiple voices entering in succession. An ORATORIO is a large-scale musical work for orchestra, choir, and soloists, often based on a religious text. A CANTATA is a vocal composition, usually with an instrumental accompaniment, also composed by Bach.