Portsmouth Rolling Stones, and Fleetingwood Mac. Numerous musical works are set in the city. "Portsmouth Point" is an overture for orchestra by the English composer William Walton in 1925. The work was inspired by Thomas Rowlandson's etching depicting Portsmouth Point, otherwise known as "Spice Island" in Old Portsmouth. The overture was used for the BBC Proms Concert in 2007. "H.M.S. Pinafore" is a comic opera in two acts set in Portsmouth Harbour, with music by Arthur Sullivan and libretto by W.S. Gilbert. John Cranko's 1951 ballet "Pineapple Poll", which features the operetta music of "The Bumboat Woman's Story" by Gilbert and
Ballet (music) piece to be created by a symphonic composer. Following the initiative of Tchaikovsky, ballet composers were no longer writing simple, easily danceable pieces. The focus of a ballet was no longer solely the dance; the compositions behind the dances began to take an equal prevalence. In the late 19th century, Marius Petipa, French ballet choreographer and dancer, worked with composers such as Cesare Pugni to create ballet masterpieces that boasted both complex dance and complex music. Petipa worked with Tchaikovsky as well, whether through collaboration with Tchaikovsky on his work "The Sleeping Beauty" and "The Nutcracker", or indirectly through revision