We sell, trade, and rent any brand of accordion. The best way to do make these transactions is to visit our shop in San Jose and choose from the variety of options available in the gallery. Typically, we have two to tree hundreed accordions on the shelves. If you have a cheaper accordion, you can upgrade for an agreed upon outstanding amount,or rent from areasonable price. ($25 for students to $150 for professinal tone chamber(s) accordions. At the shop, we also carry all accessories for accordions. (Shoulder straps, back straps, backpack, etc).