About Us

Since 1993, The Musical Source, Inc. (MSI) has sold all types of print sheet music from domestic and international publishers to clients throughout the world. MSI clients include churches, schools, school systems, community organizations, retail music dealers, professional music organizations, professional musicians and music students of every age. Print music experts Jack Ay, Nancy Caporaso, and Deborah Thurlow own MSI. The MSI staff is comprised of professionally trained instrumentalists and vocalists.

In 1998, MSI started a publishing wing (originally called DC Press) now known as Musical Source Publications. MSI Publications includes works by Dr. Ysaye M. Barnwell, Dr. Deen E. Entsminger, and Marvin Mills.

In September 2001, MSI relocated from Connecticut Avenue to 1409 15th Street NW, Washington, DC--one building from the corner of 15th and P Streets, near Dupont, Logan and Scott Circles. MSI is open 10am to 6pm weekdays. Besides MSI Publications, a wide variety of of vocal, piano, organ, choral octavos and collections, band and orchestra sets and methods, theory, ear training/sight-singing, related music texts and classroom aids are available for browsing and purchase. A piano is available for customer use.

MSI accepts orders via phone, fax, email, website, and, of course, in person. Most Special Orders are filled within 10-14 business days. In-stock items are filled within 48 hours. Please contact a staff member to request faster shipping information.

MSI offers competitive discounts to churches, schools, community organizations and professional musicians. Please contact a staff member for specific information regarding your needs. We will gladly give a price quote on any order---an email or fax works best for this. We do have research capabilities on hard-to-find titles. Upon request, we will provide a 30-day On Approval of choral octavos. Please contact us with your request.

MSI is affiliated with a number of professional music organizations, including ACDA, AGO, AAM, MENC, NATS, RPMDA and NAMM. Throughout the year, MSI attends a number of national and regional conferences and workshops providing reading session packets, music displays and educational and/or programming assistance in a variety of areas.