this is how/where I bought mine. Can't beat the price considering you get two copies one for Piano I and one for rehearsals for Piano II. It's a fun piece I'm just wrapping this one up and really reccommend you perform it with ensemble (normally orchestra but there are arrangements for wind band which is great fun too), mine's coming up with a great conductor in my area after a recital with piano I and piano II and a masterclass, it's a good idea to work to build a good rapport with the conductor, makes a big difference going into the final rehearsals with the orchestra/band, and in pre performance planning/discussions of the work. https://www.amazon.com/Warsaw-Concerto-set-Piano-Duet/dp/B0039526ZK/ref=sr_1_4?s=musical-instruments&ie=UTF8&qid=1318362788&sr=1-4I also reccommend you explore some of the other 'movie concertos' if you like the sound of Addinsell's work, try and read/listen to Bath's Cornish Rhapsody for piano and orchestra or Rozsa's Spellbound Concerto as well.