Classical Tunes for Two, Volume 1 contains the easiest arrangements. Classical Tunes for Two, Volume 2 contains tunes that are a bit more difficult, and Classical Tunes for Two, Volume 3 has works that are even more challenging. Composers in Volume 1 include Atwood, Bach, Beringer, Bertalotti, Chedeville, Couperin, Delibes, Eccles, Gluck, Haydn, King, Lasso, Machaut, Morley, Mozart/Attwood, Mozart, Pergolesi, Schumann, and Zipoli. Each of the Tunes for Two collections consists of individual spiral bound books presented in score form. Individual books are available for Violins, Violas, Cellos, Basses, and Mandolins. The tunes in each book of each series are in the same keys.