Serenade in G Op. 141a By Max Reger Serenade in G Op. 141a Click to Enlarge Instrument: Flute sheet music Viola sheet music Violin sheet music Publisher: Edition Peters 2 violins (or flutes), viola Composed by Max Reger (1873-1916). Sheet Music. Edition Peters #EP3453A. Published by Edition Peters (PE.P03453a).