iTunes 11 is completely redesigned with interface just like an iOS App. iTunes 11 brings it more fun to explore and enjoy your music, movies, and TV shows. And with iTunes Match and iCloud in iTunes 11, you can backup and store your entire music collection, even songs you’ve imported from CDs for you to access your music from any of your devices and listen to your entire library.
.FLAC file is losslessly audio format which provides marvelous audio quality but much smaller file size. It’s pity however, FLAC is not a supported audio format by iTunes 11. In order to import FLAC to iTunes 11, iTunes Match, and stream FLAC to iCloud through iTunes 11, a recommended solution is to convert FLAC to Apple friendly audio formats MP3, WAV, AAC or Apple Lossless ALAC so that you can play FLAC with iTunes 11, iPad, iPad 3, iPad 4, iPhone 5, iPhone 4S, iPhone 4, iPhone 3G, iPhone 3GS and iPod, etc.