I went to college a U or Mich, Ann Arbor. The most popular record store was Discount Records, corner of State and Liberty. Great classical selection and good prices. Down the street on Liberty St. was Liberty Music Shop, a legendary store of the time, strictly classical. I didn't go there as often since the prices were higher than at Discount Records, but you could get "imports" there. In my senior year (68' - '69) a store opened up on the ground floor of the apartment building I was living in, University Towers, a 20-story high rise. That was too convenient.
Many years later after I had left Ann Arbor a Tower Records opened up across the street from University Towers, but I only went there a couple of times when visiting the town. Most of the rest of my life I've lived in small towns where record stores were nonexistent. However, I remember when Best Buy got going. In the store I went to in the northern suburbs of Chicago (suppose it was in Skokie or Glenview) they had an entire room devoted to classical. It was a paradise, but it didn't last long, maybe three or four years, tops.
How could I have forgotten Rose Records in Chicago. Their main store was on Wabash but at some point they had two locations in Evanston, one on Sherman Ave, the other a few block away on Davis!
In later years I would drive down to the Cherry Creek Mall in Denver and stock up at the Tower Records there. It wasn't actually in the mall but was a half block away, on the other side of an Italian restaurant.