Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['dgd dgd', 'D2 d dDD Ddc dcB dcB cCC']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 d | BAG G2 A | BGF GAB | cde dgd | dgd dgd | efe dcB | A>Bc/d/ edc | BAG F2 E | D3- D2 :: d | 
 dDD Ddc | dcB dcB | cCC CcB | cBA cBA | BB,B, B,BB | AA,A, A,AA | GB,A, G,GF | G3 G,2 :|  