While I was in college I discovered the joy of attending the student recitals. They are, for the most part, free. They are also generally speaking very good performances (as it is a self selected group of people who take their music very seriously, and at those recitals they are playing for a grade.) The performances also tend to be fairly standard, (depending on what kind of student is performing*). And unfortunately, often the only people attending these recitals are close friends/family of the performer(s), or other students meeting a class requirement.
Even if you don’t have a group of 8-12 year old girls to entertain, it would be a good idea to look into attending a student recital- they make for great dates.
The area we’re in is within driving distance of ASU. Nearly any university or college with a music program will have student recitals, especially near the end of semesters. With a little bit of searching I was able to find a Piano Ensemble recital for us to attend.