Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:2/4
K:C
['ff ff']  
X:1
L:1/8
M:2/4
K:C
|:"F" ff ff |"C" ec cc |"F" ff ff |"C" e2 gg |"G7" dg gg |"C" eg gg |"G7" gf ed |"C" c2 c2 :|  