Complex sentence: Roc C and IMAKEMADBEATS supported "The Transcontinental" with the Smash Mouf Tour, which took them up and down the East Coast along with Oh No, Chino XL, Butta Verses, MidaZ the Beast, Hezekiah, and AmIAm.
Split into simpler sentences: Roc C and IMAKEMADBEATS supported "The Transcontinental" with the "Smash Mouf Tour" on the east coast of the United States. The tour also featured Oh No, Chino XL, Butta Verses, MidaZ the Beast, Hezekiah, and AmIAm.