Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
Q:3/8=108
M:6/8
K:G
['AGA BGE DEG', 'G3 g3 edc Bdg dBG g2 e', '(GB).d (GB).d']  
X:1
L:1/8
Q:3/8=108
M:6/8
K:G
"^Not too fast" c3 B3 | AGA BGE | DEG (G/A/B).G | TAGA BGE | cec BdB | AGA BGE | DEG AGA | 
 TBGG G3 :: g3 edc | Bdg dBG | g2 e dBG | ecA A2 d | g(e/f/g/).e/ f(d/e/f/).d/ | ecg dBG | 
 DEG AGA | BGG G3 :: (GB).d (GB).d | (Gc).e (Gc).e | (GB).d (GB).d | ecA TA3 | (GB).d (GB).d | 
 (Gc).e (ef).g | DEG TA>GA | BGG G3 :|  