Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:3/4
K:F
['[Fd]2 [Ee]2 [Dd]2 [Cc]2 [B,B]2 [A,A]2 [B,B]2', 'z2 G2 GAGA GA=BcdB Tc4{Bc} d2 cdefge'  
X:1
L:1/8
M:3/4
K:F
 [Fd]2 [Ee]2 [Dd]2 | [Cc]2 [B,B]2 [A,A]2 | [B,B]2 [Dd][Cc][B,B][A,A] | [G,G]4 z2 | FfEeDd | 
 CcB,BA,A | G,>G [A,F]2 [G,E]2 | [A,CF]4 z2 :: G2 GAGA | GA=BcdB | Tc4{Bc} d2 | cdefge | z fzezd | 
 z czBzA | z GzFzE | [A,CF]6 :|  