Four Inventions (Vol. 2) Clarinet and Bass Clarinet Duet by Johann Sebastian Bach arranged by William Schmidt edited by Sharon Davis. Western International Music, 1999, SS, (includes score and parts). Includes: Invention XIII (Allegro), Invention II (Moderato), Invention VI (Allegretto), and Invention I (Allegro). There are a few low Ds (with alternative note) in the bass clarinet part. (C1348)