One of the marquee features of iTunes 11 is Up Next, a new way to queue up songs for your listening sessions. Radically different from iTunes DJ, which this feature replaces, it can be a bit complex. Here's a look at how to get the most out of Up Next.Related StoriesFive smartphone and tablet trends from BarcelonaApple's iPads almost bottom of iFixit's new Tablet Repairability listApple cuts back iPhone 5
