Ben Harper will launch an extensive North American tour in support of his new two-disc set Both Sides of the Gun in Phoenix, AZ on August 10. Damian Marley has singed on an support for the month-long outing, which is scheduled to conclude September 14 in Knoxville, TN (with the exception of two nights at the Greek Theater on August 11 and 12.) Before then, Harper will hit a number of ski towns throughout April, before heading down under for a series of dates in Australia.