Complex sentence: Comprising two legs and 76 concerts, the Innocence + Experience Tour opened on 14 May 2015 in Vancouver, Canada; the tour visited North America from May through July, and Europe from September through December.
Split into simpler sentences: Comprising two legs and 76 concerts, the Innocence + Experience Tour opened on 14 May 2015 in Vancouver, Canada. It visited North America from May through July, and Europe from September through December.