Complex sentence: In January 2014, Bruno Mars announced a second leg in North America, with 35 concerts being scheduled in the United States and six in Canada with Pharrelljoining Mars on select dates, and Aloe Blacc will be the support act.
Split into simpler sentences: In January 2014, Bruno Mars announced a second leg in North America, with 35 concerts being scheduled in the United States and six in Canada. It was also announced that Pharrell will join him on select dates, and Aloe Blacc will be the support act.