Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
Q:1/8=232
M:4/4
K:A
['Ac ec', 'cd ec']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:A
|: E2 | Ac ec EG BG | Ac ec f4 | ag bg af ed | cB AG BG E2 | Ac ec EG BG | Ac ec f4 | ag bg af ed | 
 c2 A2 A2 :: cd | ec dB cA BG | AG FE DC B,2 | A,C DE Bc dB | ce cA B2 cd | ec ce fd df | 
 ag af ec ce | df ed cB AG | A2 A2 A2 :|  