Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/16
M:3/4
K:F
['c4 d4 a2>f2 gfed cdef gfed gfed', 'ABcA [AF]2[AF]2 [AF]2[AF]2 BcdB [BG]2[BG]2 [BG]2[BG]2'  
X:1
L:1/16
M:3/4
K:F
|: c4 d4 a2>f2 | gfed cdef gfed | gfed d2Bd c4 :: ABcA [AF]2[AF]2 [AF]2[AF]2 | 
 BcdB [BG]2[BG]2 [BG]2[BG]2 | ABcA [AF]2[AF]2 [AF]2[AF]2 | BcdB [BG]2[BG]2 [BG]2[BG]2 | 
 A2cA G2BG FGAB | cBAG G2BG F4 :|  