With the exception of the works for violin or violoncello and piano, to each of which a separate volume is devoted, all of Mendelssohn's other works for one or two instruments with piano are collected in this volume. Mendelssohn did not have any of these works printed.

They are the viola sonata MWV Q 14, composed between November 1823 and February 1824, the clarinet sonata MWV Q 15, composed in the immediate proximity of time, and the two concert pieces for clarinet and basset horn MWV Q 23 a...