Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:6/8
K:G
['B dBG', 'deg aga bge', 'D2 d'  
X:1
L:1/8
M:6/8
K:G
 B | dBG BAG | dBG G2 B | dBG AGE | GED D2 B | dBG BAG | BdB BAG | AGA BAB | GED D2 :| B | 
 deg aga | bge edB | deg aga | bge e2 a | bag agf | ged ege | dBG AGE | GED D2 :| d | B2 G A2 G | 
 B2 D D2 d | BAG AGE | GED D2 d | B2 G A2 G | BdB BAG | AGA BAB | GED D2 :|  