iTunes our favorite destination for buying music will reportedly go over a major overhaul by the end of the year. Apple representatives, according to Bloomberg – whose identities have been kept anonymous – mentioned several problems of the current iTunes that will be fixed in the new version. Together with introducing iPhone 5 and Apple iTV, Apple is going to bring the “largest changes to the world’s biggest music store since its 2003 debut,” the sources said. While iTunes brought in $1.9 billion for Apple only in the last quarter, Spotify remains the largest library of songs of any streaming service with 16 million tracks. Regardless, iTunes remains ahead of Spotify, having made available to users, 28 million songs and 45,000 movies available. Whether iTunes creates a subscription service is in speculation.