a tribute on "saturday night live" to the stroichblgs friday's attack. rather than opening with the usual comedic sketch, the show opened with a choir singing "silent night." ♪ silent night, holy night ♪ all is calm, all is bright ♪ round yon virgin, mother and child ♪ ♪ holy infant so tender and mild ♪ ♪ sleep in heavenly peace ♪ sleep in heavenly peace ♪ silent night, holy night