december, 2017 Windham Hill Winter Solstice Will Ackerman, Alex DeGrassi, Barbara Higbie, Todd Boston Green Music Center (Sonoma State University) 1801 East Cotati Avenue 15dec7:00 pm10:00 pmWindham Hill Winter Solstice Will Ackerman, Alex DeGrassi, Barbara Higbie, Todd Bostonat Green Music Center, Cotati, CA Time (Friday) 7:00 pm - 10:00 pm pst LocationGreen Music Center (Sonoma State University)1801 East Cotati Avenue Organizer Green Music Center Learn More CalendarGoogleCal