Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:3/4
K:G
['A>G G2 D2 G>A B2', 'gd cB AG']  
X:1
L:1/8
M:3/4
K:G
 G>A | B>B B2 A>G | G2 D2 G>A | B2 B2 g>e |{e} d4 g>e | ed dB A>G | G2 D2 G>A | B2 B2{B} A>G | 
 G4 || d>e | g3 a ba |{a} g2 d2 d>e | gd cB AG |{G} A6 B>d | g2 g>a ba | G2 d2 B>c | dg b2{b} a>g | 
 g4 f>g | gd cB AG | G2 D2 G>A | B2 B2{B} A>G | G4 ||  