 That same year he wrote that he was planning a concerto for two pianos and orchestra, and would play it with his friend Tomasz Napoleon Nidecki if he managed to finish it.He worked on it for some months but he had the greatest difficulty with it, and this work never eventuated; however, he may have used ideas from it in later works.There is also evidence that Chopin started work on a third concerto for piano and orchestra.