The founders of GHS had a wealth of string making experience when they started the small family-owned business in 1964. Now, GHS has grown to one of the leading manufacturers in this music specialty. The "Brightness Bar" found on select packages of strings, will show you what strings produce which kinds of tone.

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The Adamas brand is owned by the Kaman Music Corporation. Adamas guitars were originally marketed as a high end series of Ovation guitars, between 1976 and the late 1990s. Since then they have been produced as a brand in their own right.