Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/4
M:3/4
K:none
['G D/B/ A/G/ F e/d/ c F', 'd B/G/', 'c e2 B .c .A G3']  
X:1
L:1/4
M:3/4
K:none
[K:G] G D/B/ A/G/ | F e/d/ c | F e/d/"_c" c/F/ | G e/d/ B | G D/B/ A/G/ | F e/d/ c | 
 F e/d/"_c" c/F/ | G G z :: g f e | d B/G/ B/g/ | d"_c" c/F/ A/e/ | d B/G/ B/d/ | g f e | 
 d B/G/ B/e/ | d"_c" c/F/ A/F/ | G G z :|[K:C] E G"_c" c | e2 B | .d"_c" .c .A | G3 | 
 E/>"_f"F/ G"_c" c | B/>A/ B F |"_f" F/>G/ A B |"_c" c/>B/ c G | E G"_c" c | e2 B | .d"_c" .c .A | 
 G3 | G/>G/ G"_c" c | A/>A/ A d | G A B |"_c" c c z |]  