Purchase Michael Franti & Spearhead tickets for Ironstone Amphitheatre At Ironstone Vineyards in Murphys, CA, scheduled for Fri, Aug 9, 2024 6:15 pm. With 275 tickets up for grabs, priced between $82.00 to $312.00 and an average price of $141.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.