Apple expected to focus on watch, music at developer conference

Apple is expected to unveil a new music service and better tools to build apps for its smartwatch at its annual gathering of developers in San Francisco on Monday. The tech giant’s legion of independent developers will get a preview of a new software kit for the two-month-old Apple Watch at the Worldwide Developers Conference, Jeff Williams, Apple's senior vice president of operations, said at a recent tech event. Like other Apple products, the watch’s commercial success will likely hin