

Happy Birthday Variations for String Quartet by Peter Heidrick. Pub. Sikorski.
Fourteen arrangements by Peter Heidrich of Happy Birthday in the styles of classical composers from Haydn to Reger.
Handel, Chaconne in G for Violin and Viola. Editio Musica Budapest.
This work by Hanno Haag features complex and simple harmonies between the Violin and Viola parts.