Important to remember...

...
-each time we change location the song must be sung all the way through to make the editing stage easier and so we have more footage to work with.
-always play the track through the a CD player so we can use the beeps to make the lip-sinking easier to get in time
-day light conditions may affect the quality of the shots, anticipate that it might rain, be foggy, dull, cloudy, etc.