Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:2/2
K:G
['DGGD DGGe', "g/a/b/c'/ d'g"]  
X:1
L:1/8
M:2/2
K:G
 DGGD DGGe | dBGB A2 A2 | DGGD DGGe | d>BG>B G2 G2 :| d>gg>a g/a/b/c'/ d'g | c'>e'b>d' a2 a2 | 
 fgga g/a/b/c'/ d'g | efBg G2 G2 | dgga g/a/b/c'/ d'g | c'>e'b>d' a2 a2 | DGGD DGGe | dBGB G2 G2 ||  