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M Starts path.
N Stops path.
P Rolls camera clockwise.
O Rolls camera counter clockwise.
I Zooms camera in.
U Zooms camera out.
K Adds a keyframe.
Y Manually sets the look target to where ever your camera is currently.
T Toggles whether you're tracking something or not.
H Refreshes the player list.
L Calculates time elapsed from last keyframe.