Dueling pianos is when two people play separate grand pianos while singing songs. The pianos have extensive sound systems attached to maximize the affect of dueling. These entertainment acts generally entail lots of comedy and music. The type of music performed is usually rock and roll, country, R&B, the top 40 on the charts or whatever the audience requests. The dueling pianos style originated in the latter part of the 1890s where it was initially a competition to see who could out play the other pianist. In 1933, New Orleans the dueling pianos style became what it is known as today an interactive form of entertainment for the pianists and the audience.