Complex sentence: The North American leg of the Heaven Upside Down Tour began on September 27, and was scheduled to incorporate appearances by the band at several music festivals, including the Aftershock Festival on October 22, at which Nine Inch Nails was also scheduled to appear.
Split into simpler sentences: The North American leg of the Heaven Upside Down Tour began on September 27. The tour also incorporates appearances from the band at several music festivals, including the Aftershock Festival on October 22, at which Nine Inch Nails is also scheduled to appear.