Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:2/4
K:G
['Bdd(c/B/) cee(d/c/) Bdd(c/B/) cA A2 Bd dc/B/', 'G2 Bd d(e/f/) gf g2 Bd d(c/B/)']  
X:1
L:1/8
M:2/4
K:G
 Bdd(c/B/) | cee(d/c/) | Bdd(c/B/) | cA A2 | Bd dc/B/ | ce ed/c/ | (B/c/d/B/) (A/B/c/A/) | BG G2 :: 
 Bd d(e/f/) | gf g2 | Bd d(c/B/) | cA A2 | Bd dg | (f/g/a/f/) g2 | (B/c/d/B/) (A/B/c/A/) | BG G2 :|  