Glass armonica: Shostak is one of only eight glass armonica players in the world.[3]
Glass violin: Shostak owns one of only two glass violins in the world-the other belongs to Ikuko Kawai. The violin was created for him by the Hario Corporation.
Cristal Baschet: Shostak plays one of only two cristal baschets in the United States.
Crystal Handbells: Shostak worked with Malmark Handbell Company in Pennsylvania, which provided the handles and clappers for the bells, and also with Thomas Hession, who created the glass bells, to create the first glass English handbells.
Glass Bowed Psaltery: Jim Doble created the instrument at Shostak's request.
Grand Harmonicon (Glass harp): Shostak acquired this instrument at an auction; it has survived since the 1820s.
References
^Speidell, Phyllis (15 December 2002). "Armonica player spreads the sound". Sunday Free-Lance Star. Fredericksburg, Virginia. Retrieved 17 December 2010.