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.
Helicore cello strings are crafted with a multi-stranded steel core, resulting in playability while producing a clear, warm tone. The smaller string diameter provides quick bow response. Premium quality materials combined with skilled workmanship produces strings known for pitch stability and longevity.