Waltzophone for solo instrument and piano View cart “Waltzophone for solo instrument and piano” has been added to your cart. $10.00 Waltzophone for solo instrument and piano is a tribute of Mahler and Broadway. Loads of fun to play! Waltzophone for solo instrument and piano quantity Add to cart Categories: Brass, Digital Score, Strings, Woodwind Description Waltzophone for solo instrument and piano. Score and E-flat, C (high and low), B-flat, and F.