AAMusicStore.com: Large selection of popular sheet music, musical instruments and accessories.
Amati Music: Offers music for Cello, and the PostureCubes: a portable, adjustable solution to back problems.
Discordia Music, Inc.: Publisher of new, transcribed, and arranged music for the Double Bass.
Joseph Patelson Music House: Classical sheet music store with extensive offerings for all instruments.
Lamoureux Violins: Sheet music, books, strings, supplies and accessories for classical musicians; Teaching material and aids for traditional and Suzuki method.
Lemur Music: Offers sheet music, instruments, supplies, and misceallany for the Double Bass.
Manontroppo Music: Offers arrangements for string ensembles. Some samples are included, and mail ordering.
Mona Lisa Sound: Offering Rock string quartet sheet music made famous by Hampton String Quartet.
The ABCs of Strings: Janice Tucker Rhoda's instructional series for strings.
Valkyrie Publications: Song books and sheet music for harp and voice: Irish folk songs, Christmas carols, old hymns, new Christian music, and songs inspired by J.R.R. Tolkien, George MacDonald, and Julian of Norwich.
Violin Books: Rare collectable violin books.