Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['GBd dBG GBd efg dBG', 'G2 D GBd g2 b afd dBG']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 D | GBd dBG | GBd efg | dBG ABc | BGE AFD | GBd dBG | GBd efg | dBG ABG | E2 F G2 :| D | 
 GBd g2 b | afd dBG | GBd gfg | afd e2 f | gfg aga | bge ege | dBG ABG | E2 F G2 :|  