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=150
M:2/2
K:G
['DGGF GABG AFDE F2 (3ABc', 'fdcA GBAF']  
X:1
L:1/8
Q:1/8=150
M:2/2
K:G
 GF | DGGF GABG | AFDE F2 (3ABc | defd cAGF | DEFE FGAF | DGGF GABG | AFDE F2 (3ABc | dfeg fdcA | 
 GBAF G2 :| (3ABc | dedB c2 Bc | dgfa g2 ga | bgag fdde | fdcA GBAF | DGGF GABG | AFDE F2 (3ABc | 
 dfeg fdcA | GBAF G2 :|  