Listen to Concerto No. 1 for Clarinet, Strings and Continuo in A Major: I. Concerto. Moderato online. Concerto No. 1 for Clarinet, Strings and Continuo in A Major: I. Concerto. Moderato is an English language song and is sung by Württembergisches Kammerorchester Heilbronn, Ruben Gazarian and Martin Spangenberg. Concerto No. 1 for Clarinet, Strings and Continuo in A Major: I. Concerto. Moderato, from the album Molter: Trumpet and Clarinet Concertos & Symphony in D Major, was released in the year 2016. The duration of the song is 4:08. Download English songs online from JioSaavn.