Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:4/4
K:G
['', 'GABc dB G2 (ga)gf e2 dc (BG)Bd', 'dc BGBd']  
X:1
L:1/8
M:4/4
K:G
 D |: GABc dB G2 | (ga)gf e2 dc | (BG)Bd cABG | ABAG TE2 D2 | GABc dB G2 | (ga)gf e2 dc | 
 (BG)Bd cAFA |1 G2 [GB][GB]- [GB]3 D :|2 G2 [GB][GB]- [GB]4 g || Tfefg af d2 | (ga)gf e2 dc | 
 BGBd cABG | ABAG E2 eg | feg af d2 | (ga)gf e2 dc | BGBd cAFA | G2 G(G G2) g2 | fefg af d2 | 
 (ga)gf e2 dc | BGBd cABG | ABAG E2 D2 | GABc dB G2 | (ga)gf e2 dc | BGBd cAFA | 
 [GB]2 [GB][GB]- [GB]4 ||  