Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:C
['(3(GAG) .^F2 .G2 .c2 .d2', '=f2 e2 d6 (3(GAG) ^F2 G2']  
X:1
L:1/8
M:4/4
K:C
 (3(GAG) | .^F2 .G2 .c2 .d2 | e6 (fe) | .d2 .^c2 .d2 .e2 | (d4 g2) (3(GAG) | .^F2 .G2 .c2 .d2 | 
 e4 (^fg) | .g2 Be .d2 AB | G6 || | (3(GAG) | .^F2 .G2 =f2 e2 | d6 (3(GAG) | ^F2 G2 =f2 e2 | 
 d6 (3(GAG) | ^F2 G2 c2 e2 | (a4 gfed) | (fe)(Bc) (ed)(AB) | c6 |]  