The World’s Only Global Musical Instrument Museum. Home of the MIM Music Theater–a 300-seat acoustically superb performance space–as well as the award-winning Caf Allegro (open 11 am – 2 pm daily) and the MIM Museum Store. The average guest spends nearly four hours at MIM. Please allow plenty of time to fully enjoy MIM’s galleries and exhibits. Open daily, 9 am – 5 pm; Closed Thanksgiving; Open Christmas, 11 am – 5 pm. General Admission: $20; Teens (ages 13-19): $15; Children (ages 4-12): $10; Children 3 and under: Free. Hours and prices are subject to change.