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Home About Auditions Events Login More The Gillette Chamber Singers The premier choral ensemble in northeast Wyoming performing a wide variety of vocal music ranging from Early Music to contemporary composers. About Us The Gillette Chamber Singers GCS is the premier choral ensemble in northeast Wyoming performing a wide variety of vocal music ranging from Early Music to contemporary composers. Founded in 1986 GCS is an auditioned community choir based in Gillette Wyoming with members from all walks of life. The group began with 16 original members and now features over 30 singers.