Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:3/4
K:F
['FFA c2 A2 Bd G2 z GGA']  
X:1
L:1/8
M:3/4
K:F
 FFA | c2 A2 Bd | G2 z GGA | B2 G2 Ac | F2 AB | c2 z fff | f2 A2 GG | F2 z |]  