Marguerite Marie-Charlotte Long was a French pianist, pedagogue, lecturer, and an ambassador of French music.

Le Tombeau de Couperin is a suite for solo piano by Maurice Ravel, composed between 1914 and 1917. The piece is in six movements, based on those of a traditional Baroque suite. Each movement is dedicated to the memory of a friend of the composer who had died fighting in World War I. Ravel also produced an orchestral version of the work in 1919, although this omitted two of the original movements.