Create a musical piece that integrates the provided motif and follows the prescribed alphabetical structure.
X:1
L:1/4
Q:1/4=120
M:6/8
K:F
['A G/', '[AF] [BG]']  
X:1
L:1/4
Q:1/4=120
M:6/8
K:F
"^In marching rhythm" F/ | F G/ A G/ | (F G/) A G/ | F c/ c c/ | c3/2- c c/ | d d/ c A/ | 
 c- c/ B A/ | (G F/) G A/ | B3/2 |][M:2/2]"^In the same rhythm." [AF] [BG] | [cA]2 [fA] [dB] | 
 [cA]2 [AF] [BG] | [cA] [cA] [fA] [dB] | [cA]2 [AF] [BG] | ([c-A] [cG]) [d^F] [AF] | 
 ([BG] [GG]) [FF] [EE] | [FF]3/2 [GG]/ [AA] [FF] | ([B-D] [BE]) [AF] [BG] | 
 ([c-A] [cG]) [d^F] [AF] | [BG] [GG] ([FF] [EE]) | [FF]2 |]  