Premise: Morten Johannes Lauridsen (born February 27, 1943) is an American composer. A National Medal of Arts recipient (2007), he was composer-in-residence of the Los Angeles Master Chorale (1994–2001) and has been a professor of composition at the University of Southern California Thornton School of Music for more than 40 years.
Hypothesis: Lauridsen was born on the 27th day of the month.