by Dan Frakes, Lex Friedman, Macworld.com Oct 11, 2011 1:32 pm

The iOS 5 pieces are are beginning to fall into place. Just a day before Apple’s scheduled release of iOS 5 to the masses, the company rolled out iTunes 10.5, which customers will need to install before they can upgrade their iPhones, iPod touches, and iPads on Wednesday.
One of the hallmark features of iOS 5 is Wi-Fi syncing; coupled with iTunes 10.5, you’ll be able to sync your iOS devices with your Mac or PC without tethering them via a USB cable.
But even more prominent among iTunes 10.5’s new features is support for Apple’s new iCloud and iTunes Match services. With iCloud, much of your Mac- and iOS- focused data—contacts, calendars, photos, and more—gets stored on Apple’s iCloud servers, making it easy to both access that data and keep it synchronized between all your devices. With respect to iTunes, iCloud tracks all of your iTunes Store, App Store, and iBooks Store purchases, making them available from any device. (Interestingly, Apple says that over a third of music sold through the iTunes Store is purchased on an iOS device.) It also stores your iOS-device backups.
iCloud, like iOS 5, is set to make its debut on Wednesday.
The iTunes Match service, which will cost $25 per year, lets you also store music you didn’t buy through iTunes.…