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The San Luis County Trumpet Alliance is a 16-member trumpet ensemble that performs throughout the San Luis Obispo area.

Now in its 6th year, the group has become known and respected for its musical excellence and successful performances.

The Alliance was formed in 2011 through the collaborative efforts of Warren Balfour, Dan Beher and Lyle Stubson.

The concept was further stimulated by the donations of a trumpet ensemble library by Danny Beher (Otter Music Publishing) and the Warren Balfour collection. The group's repertoire now contains over 100 musical works for trumpet ensemble.

Members of the group are local musicians who are educators, business professionals and retirees.