Lorie Line and her Pop Chamber Orchestra will perform music from around the world and from the Christmas season at 3 p.m. Nov. 23 at Stephens Auditorium. Lorie and a 10-member orchestra will be joined by a special guest appearance from a “very famous American composer” according to a press release. The group has made 27 albums and sold more than 5 million copies. Tickets are $52 or $54 for adults, $28 for youth and $20 for ISU students.