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
Opera Richard Wagner, and in particular the Tristan chord. Composers such as Richard Strauss, Claude Debussy, Giacomo Puccini, Paul Hindemith, Benjamin Britten and Hans Pfitzner pushed Wagnerian harmony further with a more extreme use of chromaticism and greater use of dissonance. Another aspect of modernist opera is the shift away from long, suspended melodies, to short quick mottos, as first illustrated by Giuseppe Verdi in his "Falstaff". Composers such as Strauss, Britten, Shostakovich and Stravinsky adopted and expanded upon this style. Operatic modernism truly began in the operas of two Viennese composers, Arnold Schoenberg and his student Alban Berg, both composers