Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/8=232
M:4/4
K:G
['Bc de']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:G
|: GF GA B2 Bc | de d^c dg g2 | =FE FG A2 Bc | de dc BG G2 | GF GA B2 Bc | de d^c dg ga | 
 bg af gd de | =fd cA BG G2 | gf ga g2 ga | bg ag fd de | =fe fg f2 ce | dc BA BG G2 | 
 gf ga g2 ga | bg ag fd dg | bg af gd de | =fd cA BG G2 :|  