Walter trout Blues concert in Ventura

I've been listening to Walter Trout on Pandora for about a year, so it was pretty cool to see his act in person at the CA Beer Festival last weekend in Ventura.  I had great position 10 feet away from the band, on the side.   We listened to the other 4-5 bands under a huge fig tree in the shade. It was a warm day but cool ocean breezes gave relief. He asked Alstaire Green from Santa Barbara to jam with him at the end: