Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:G
['', 'gfed edBA G B3', 'BAGA B d3']  
X:1
L:1/8
M:4/4
K:G
 f |: gfed edBA | G B3 GED z | B e3 Beef | gfed B3 z | gfed edBA | G B3 GE D2 | Beed efga | 
 agfa g3 z :| eBdB ABGA | BAGA B d3 | BAGA B d3 | eBdB A3 z | eBdB A z GA | BAGA B d3 | 
 Beed efga |1 agfa g3 z :|2 agfa g2 z ||  