Rock musician MikelParis set up his camera and audio equipment inside the Maine Historical Society’s library Tuesday, then turned to a staffer for help. “Madam librarian? Can you shoosh me, kinda loud?” Paris said to Jamie Rice, library services director for the historical society. Then Paris stepped in front of his video camera and said, “Hi, I’m MikelParis,” followed by Rice’s emphatic “shoosh.” Paris finished his video intro by whispering, “Welcome to TuneTrek.” Paris, who trademarks his name as one word and plays keyboards for the indie rock band O.A.R., sought the quiet of the historical society’s Brown Library on Congress Street in Portland for the latest installment of his video travel series.