Ravel originally composed "Mother Goose" in 1910 as a set of duets, for one piano and four hands, for the children of friends.

WSJ: Ravel| Mother Goose| New York Philharmonic| Arbie Orenstein

The piano is one of several items up for sale with links to big 60s bands.

BBC: Beatles piano in Bonhams auction at Sussex festival

For instance, one of his best-loved piano works, the E-flat Intermezzo, Opus 117, no.1, begins and ends with an especially beautiful melody.

ECONOMIST: How Brahms saved music from Wagner

In the early '90s, Amos earned notoriety for being one of the few up-and-coming female musicians to use piano as a primary instrument.

NPR: Tori Amos: From 'Sin' To Holiday Joy

Now, Dr Cummer and his colleagues have shown off an acoustic cloaking technique that works in air, for audible frequencies between one and four kilohertz - corresponding to two octaves on the higher half of a piano.

BBC: Acoustic 'cloaking device' shields objects from sound