If a professional musician were to recommend a place to buy instruments, chances are they would send you to Ginza and hand you their business card for a twenty percent discount at a specific music shop.
However, if the person asking happens to be a high school student, that same musician would simply suggest heading to Shimokitazawa, stepping out of the station, and picking up some cheap junk at random just to mess around.
To put it nicely, the musical instrument market in Shimokitazawa is all about cost-effectiveness.
Chapter 60