Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['G2 dB', 'g2 dg egde gbaf']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
"^A dorian" D | G2 dB G2 dB | GBdc BGGB | A2 ec (3ABA ec | A2 ec dDEF | G2 dB G2 dB | GBdc BGGB | 
 AB (3c^cd efge | ageG BAA :| z | g2 dg egde | gbaf gfdg | (3aba ea faea | abbg agef | g2 dg egde | 
 gbaf gfdB | AB (3c^cd efge | ageG BAA :|  