Apple will introduce new versions of iOS and OS X at its annual developer's conference.
Apple Expands Lineup for 8th Annual iTunes Festival in London with Lenny Kravitz, Others
Free tickets for the concerts in London will be available through iTunes in a lottery system as well as through local radio stations. For those not attending in person, the iTunes Festival will be broadcast via Apple TV, iOS app, and the iTunes Desktop application.
Earlier this year, Apple held the first iTunes U.S. Festival at South by Southwest (SXSW) 2014, which was held at Moody Theater. The 2013 iTunes Festival in London featured performances from a large lineup including Justin Timberlake, Thirty Seconds to Mars, Jack Johnson, and more.