Create a musical composition using the given motif and adhering to the specified alphabetical musical form.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['BG G2', 'A2 Bd']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
"^A dorian" dc | BG G2 AG G2 | DG G2 A2 dc | BG G2 AGAB | (3cBA BG Aedc | BG G2 AG G2 | 
 DG G2 A2 dc | BG G2 AGAB | (3cBA BG A2 || Bd | e2 dB e2 dB | e2 dB A2 Bd | eB B2 gB B2 | 
 cABG A2 Bd | eggg eaaa | gedB A2 Bd | eggf gabg | agef g4 |]  