Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:6/8
K:C
['G2 G']  
X:1
L:1/8
M:6/8
K:C
 G | C2 D E2 F | G2 A G2 G | A2 A F2 A | G-G G E2 E | C2 D E2 F | G2 A G2 G | AAA F2 A | G3- G2 G | 
 A2 A F2 F | G2 G E2 G | FFF D2 D | E2 D C2 G | C2 D E2 F | G2 A G2 G | A2 A(GF) D | C3- C2 ||  