Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/16
M:2/4
K:C
['G2 D E']  
X:1
L:1/16
M:2/4
K:C
 G2 G2 c2 d e | c2 B A G4 | c3 F G2 A G | F2 E D C4 | G3 D E2 A2 | G2 D E C4 | F2 E2 G2 D E | C8 |]  