Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:G
['', 'Bc (3ded BG D2 Bd gBdB cedc', 'dgBd (3BGG AB (3cBA (3BAG (3ADD BA']  
X:1
L:1/8
M:4/4
K:G
 Bc |: (3ded BG D2 Bd | gBdB cedc | BGDG BdcB | AG^FG A2 Bc | (3ded BG D2 Bd | gBdB cedc | 
 BGDG BdcB | (3ABA G2 G2 Bc :: dgBd (3BGG AB | (3cBA (3BAG (3ADD BA | GABc de^fd | (3g^fe fe dcBc | 
 dgBd (3BGG AB | (3cBA (3BAG (3ADD BA | GABc de(3^ffe | dgg^f g2 Bc :|  