Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/4
Q:3/4=120
M:6/4
K:Gmin
['G B', 'B d']  
X:1
L:1/4
Q:3/4=120
M:6/4
K:Gmin
 D | G B G B d B | d g d c2 B | A d A G B G | ^F d G ^F2 D | G B G B d B | g2 d c2 B | 
 A d A D G ^F | G3- G2 :: A | B d B d f d | b2 f d3/2 c/ B | A c A c f =e | f2 c A3/2 G/ F | 
 d B B c A A | B G G ^F2 A | B d B d g d | B3/2 A/ G G2 :|  