A prepared piano is one that has had its sound altered by placing objects on or between its strings. These objects can be commonly found things such as rubbers, BlueTack, paper clips and pieces of paper! The sound of the prepared piano is very different to the one a piano usually makes. Try listening to the prepared piano in Minute of Listening! The first use of the prepared piano is usually attributed to the composer John Cage, although he was inspired by the work of a number of other musicians and composers who had explored similar ideas.