Answer:
I'm not sure if this is fully correct I haven't taken a music theory class in over 2 years, but I tried my best!
Explanation:
the vertical lines indicates each measure
4/4 Time (first line) 1 2 3e+a 4 | 1 2 3-4 | 1+ 2 3 +4 | 1-2-3-4
4/3 Time (second line) 1 2-3 | 1+ 2 3 + | 1e+a 2-3 | 1+ 2 3
5/4 Time (third line) 1 2 3e+a 4+ 5 | 1 2e+a 3-4 5+ | 1-2-3-4 5+ | +1 2 3 4+ 5+
2/4 Time (forth line) 1 2+ | 1e+a 2+ | 1-2 | 1+2+ | 1e+a 2+ | 1+ a 2
The lighting direction you are looking for would be back lighting. This is when the light goes directly to the camera and would strike your subject -- which in this case are the flower petals -- from behind. Since flower petals are semi-transparent, the angle of the light would make it seem to glow from within.