Mastering iOS Frameworks: Beyond the Basics, Second Edition

6. Working with Music Libraries

When Steve Jobs first introduced the iPhone onstage at Macworld in 2007, it was touted as a phone, an iPod, and a revolutionary Internet communicator. Several years later, and partially due to a lot of hard work by third-party developers, the iPhone has grown into something much more than those three core concepts. That original marketing message has not changed, however; the iPhone itself remains primarily a phone, an iPod, and an Internet communication device. Users did not add an iPhone to their collection of devices they already carried every day; they replaced their existing phones and iPods with a single device.

Music is what gave the iPhone its humble start when Apple began planning the device in 2004; the ...