Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:G
['', 'B(3G/B/G/ ED', 'DF/A/ DF/A/']  
X:1
L:1/8
M:2/4
K:G
 D |: B(3G/B/G/ ED | B,G, G,D | B(3G/B/G/ ED | CA, A,2 | A,>B, CD | FF F>E | ED D>C | CB, B,D | 
 B(3G/B/G/ ED | B,G, G,D | B(3G/B/G/ ED | CA, A,2 | A,>B, CD | FF F>E | DD EF |1 GG GD :|2 
 GG G z |] e>e ee | eG ce | d/d/d/d/ dd/d/ | dG Bd | DF/A/ DF/A/ | DF/A/ d2 | d>c BA | B3 B | 
 e>e ee | eG ce | d/d/d/d/ dd/d/ | dG Bd | DF/A/ DF/A/ | DF/A/ d2 | d>c BA | GG G z :|  