4 Days. 4 Distinct Events. This Americana event benefiting the United Way of Comal County features the best in live music alongside award-winning Texas wines and craft beer at Gruene Hall and The Grapevine. Featuring vintner and music events, wine, food & beer samplings, and the Great Guitar Auction. Visit GrueneMusicandWineFest.org; call (830) 629-5077 or toll free from San Antonio (830) 606-1601 for tickets and information.