Established 1911 GSO is a community of organists, church musicians, and those who simply enjoy organ music. find out more Next Events GSO Events Nov 1 2:00 PM – 3:00 PM14:00 – 15:002:00 PM – 3:00 PM Organ and instruments 2:00 PM – 3:00 PM14:00 – 15:002:00 PM – 3:00 PM 2:00 PM – 3:00 PM14:00 – 15:002:00 PM – 3:00 PM VIEW ALL