Academy award winning music director A R Rahman said that the much awaited flick , 'Endhiran' will be a real treat to all audience across the world. The background score for the movie was recorded in Chennai, Mumbai and London. "Everything related to ‘Endhiran’ is big. So we wanted that its music should also be big. We had to record the background score in three places- Chennai, Mumbai and London. A large number of international musicians have worked for ‘Endhiran’. We were able to sleep for only two hours a day at one point of time as the release date was nearing. large number of international musicians have worked for ‘Endhiran’. We were able to sleep for only two hours a day at one point of time as the release date was nearing", the musician was quoted as saying.