Hi @jeh3924
All of the musical groups are open for non-majors. There are not a lot of music majors but there are a lot of science type students who want to continue playing in the band, orchestra, jazz band, or vocal groups, etc. Many of my daughters friends are non-music majors who play in one of the musical groups. In addition, there are small ensembles that students can do: wind, brass, etc and popular music groups as well. There is a concerto competition each year open to students of any major. Private lessons by excellent instructors are available for non majors as well. Music majors get to attend all the Cleveland Symphony orchestra (world class) performances for free, but non music majors can also get extemelt discounted tickets ($15) or sometimes free too at the last minute.
Most of the rehearsals take place at a rehearsal hall that is right next to the freshmen dorms. There is a lot of storage there but it might not all be together, and if you don’t have something, CWRU seems to be well stocked for loaner equipment. Upper class students have practice rooms is some of the apartment buildings as well. There are pianos all over the campus too.
I am sure the orchestra would love to have your son join. The orchestra is excellent.
The new main performance venue, an older renovated historic synagogue, the Maltz Center is beautiful. There are plans to add a new music building behind it. They may have even started some of that work. They also perform in other venues in the campus.