1)

How do u do that transition/masking or whatever effect that is?
If this pic wont help then see this video please.
http://tinyurl.com/3bpow7 <<< effect starts at 31 sec.
2)

Sorry for the sloppy arrows but on the masked rectangles how do u do the gradient opacity?
3)

Ok.. are those sakura petals from particle plugins or do u have to manually create them?
4) Is there any way to play audio anywhere in the timeline rather than from the beginning?