Benjamin Britten based on a theme from Britten's Piano Concerto. Works commemorating Britten include "Cantus in Memoriam Benjamin Britten" an orchestral piece written in 1977 by Arvo Pärt, and Sally Beamish's "Variations on a Theme of Benjamin Britten", based on the second Sea Interlude from "Peter Grimes"; she composed the work to mark Britten's centenary. Alan Bennett depicts Britten in a 2009 play "The Habit of Art", set while Britten is composing "Death in Venice" and centred on a fictional meeting between Britten and Auden. Britten was played in the premiere production by Alex Jennings. Tony Palmer made three documentary films about
Benjamin Britten of each set of characters: "the bright, percussive sounds of harps, keyboards and percussion for the fairy world, warm strings and wind for the pairs of lovers, and lower woodwind and brass for the mechanicals". In "Death in Venice" Britten turns Tadzio and his family into silent dancers, "accompanied by the colourful, glittering sounds of tuned percussion to emphasize their remoteness." As early as 1948 the music analyst Hans Keller, summarising Britten's impact on 20th-century opera to that date, compared his contribution to that of Mozart in the 18th century: "Mozart may in some respects be regarded as a founder