Christopher North

Christopher North -- a founding member and keyboardist for '70s and '80s rock band Ambrosia -- died after a bout with pneumonia, TMZ has learned. His brother, Richard North, tells TMZ ... Christopher was hospitalized for about 3 weeks before he succumbed to complications related to pneumonia.…

Christopher North -- the founding keyboardist for '70s and '80s rock band Ambrosia -- has died. The band confirmed North's passing on their Facebook page Monday, writing, "We will always remember 'Northwind' for his fiery, 'intense' stage presence -- a legacy that began when he was first…