Construct a piece of music by incorporating the given motif and adhering to the determined musical form.
X:1
L:1/8
M:3/4
K:A
['ec A2({d} cB) GG(AB) cd ec A2{d}', 'ec A2'  
X:1
L:1/8
M:3/4
K:A
|: ec A2({d} cB) | GG(AB) cd | ec A2{d} cB | GB A2 A2 :: Ac(ef) (gf) | df e2 e2 | Ac(ef)({a} gf) | 
 df({b} ag) e2 | ec A2 (cB) | GG(AB) cd | ec A2 cB | GB A2 A2 :|  