Coldplay, Imagine Dragons and London Grammar kicked off the inaugural iTunes Festival at SXSW on Tuesday night.

Coldplay, the headliner, previewed new material from its new album "Ghost Stories." South by Southwest runs through Sunday in Austin, Texas. "Ghost Stories" is Coldplay's sixth studio album and is due in stores May 19.

"Ghost Stories" is now available for pre-order, through iTunes and other music sites. A deluxe edition of the CD, featuring three bonus tracks, is available exclusively at Target, www.target.com/coldplay.

Here are some videos from opening night of the iTunes Festival.

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Follow Jim Harrington at http://twitter.com/jimthecritic.