The 2019-2020 catalog is available now!
Since 1976 JSI has provided teachers with exceptional customer service. By offering the best rental program in the country, a vast selection of new and antique instruments and bows, sheet music, method books, teaching aids, and every imaginable stringed instrument accessory, we help teachers maintain their teaching studios.
Pirastro Tonica Rosin is a quality rosin specifically formulated to compliment Tonica strings. This rosin provides good grip and excellent tone. Pirastro has been developing and producing rosins in Offenbach, Germany for over 200 years. Pirastro Tonica Rosin is well suited for violin, viola and cello.