We dare say that everyone upon first hearing Gershwin"s Rhapsody in Blue will never forget the sound of the clarinet. The B flat clarinet, with its rich-toned lower register and powerful upper register, became the most popular of all types of clarinets. In the twentieth century, it was widely used in popular music, particularly jazz with the likes of Benny Goodman and Artie Shaw. Still popular today, now"s your chance to swing!