sentences:  Thanks to the new polyphonic synthesizers, the duo experimented with new sounds, for example, recording Boy Scout canteens, cardboard boxes, vocals, footsteps in gravel, etc., and combined them with the use of newer and more sophisticated drum machines.In order to promote the album, the duo embarked the "Big Bam Boom Tour – Live Through '85".It was their last major roadtrip together for a Hall & Oates record; they did most of the traveling in a private plane.