Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['G2 c BAB G2 g fed', 'g3 g2 g gbg (g/a/b)g bag f2']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 G2 c BAB | G2 g fed | efg dcB | ABG FED | G2 c BAB | G2 g fed | efe efd | e3 g3 || g2 g gbg | 
 (g/a/b)g bag | f2 e efe | (f/g/a)g fed | efe efd | e3 e2 (g/f/) | g2 G G2 (e/d/) | 
 e2 E E2 (d/c/) | d2 D D2 (c/B/) | c2 C C2 B | c2 B A2 G | (F/G/A)G F>ED | (E/F/G)E (F/G/A)F | 
 G3 G,3 |]  