The trio sonata, a musical form that was popular in the 17th and early 18th centuries, was written for two solo melodic instruments and basso continuo, making three parts in all, hence the name ‘trio sonata’. Johann Sebastian Bach’s Trio Sonatas BWV 1037 and 1038 were written for two violins and basso continuo, 1039 was written for two flutes and basso continuo and BWV 1079 was written for violin, flute and basso continuo.
Instrumentation : Flute, violin and piano (cello ad lib.)