The Pacific Standard – Tom Jacobs
“The study, in the Journal of Educational Psychology, analyzed data on more than 112,000 students in British Columbia who started first grade between the years 2000 and 2003. Approximately 13 percent of them had participated in at least one rigorous music course in 10th, 11th, or 12th grade. (The researchers did not count general music or guitar classes, since these required no musical experience—and, in the case of general music, did not involve making music.) The researchers compared the scores of musicians and non-musicians on standardized math, science, and English tests taken in the 10th or 12th grade. They found a pronounced pattern.” (more)