Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:6/8
K:G
['GAG{A} GED DEG']  
X:1
L:1/8
M:6/8
K:G
 (B/c/) | ded edB | GAG{A} GED | DEG GAB | BAA A2 (B/c/) | dge dBA | GAG{A} GED | DEG ABc | 
 BGG G2 ::  