Walton's works of the 1920s, while he was living in the Sitwells' attic, include the overture "Portsmouth Point", dedicated to Sassoon and inspired by the well-known painting of the same name by Thomas Rowlandson. It was first heard as an entr'acte at a performance in Diaghilev's 1926 ballet season, where "The Times" complained, "It is a little difficult to make much of new music when it is heard through the hum of conversation." Sir Henry Wood programmed the work at the Proms the following year, where it made more of an impression. The composer conducted this performance; he did not enjoy conducting, but he had firm views on how his works should be interpreted, and orchestral players appreciated his "easy nonchalance" and "complete absence of fuss." Walton's other works of the 1920s included a short orchestral piece, "Siesta" (1926) and a Sinfonia Concertante for piano and orchestra (1928), which was well received at its premiere at a Royal Philharmonic Society concert, but has not entered the regular repertory.