Pierre Massie's original composition, "I Saw a Swete Semly Syght" . Performed by Ottawa choir, The Stairwell Carollers. The Stairwell Carollers are an cappella Ottawa choir, formed in 1977 by director Pierre Massie. A non-profit organization, they raise f...  morePierre Massie's original composition, "I Saw a Swete Semly Syght" . Performed by Ottawa choir, The Stairwell Carollers. The Stairwell Carollers are an cappella Ottawa choir, formed in 1977 by director Pierre Massie. A non-profit organization, they raise funds for local charities through concert, CD and cookbook sales.