(with optional 3rd Violin part in place of Viola)-This 'Air' comes from Bach?s Orchestral Suite No.3 in D major. Its popular title 'Air on the G String' is from an arrangement for violin and piano by the great German violinist August Wilhelmj who played most of the melody notes on the ?G? string of the violin. This arrangement for string quartet will be an ideal piece for use during wedding services. Comes with optional 3rd Violin part in place of Viola.