Classical piano sheet music by Rachmaninoff to download: Moment Musical Op. 16 No. 3 in the key of This piece has difficulty level 7 in the category Piece Moment Musical Op. 16 No. 3 in B Minor, a composition by the late romantic composer Sergey Rachmaninoff who was born in 1873 and died in 1943. The piano score of this piece was first published in 1896 and is part of Rachmaninoff's Moments Musicaux.