Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
Q:1/2=76
M:2/2
K:Amix
['A<AcA eAcA', 'cAA B ca^ga eada [dB]=gdg BGGB Aa^ga']  
X:1
L:1/8
Q:1/2=76
M:2/2
K:Amix
|: e | A<AcA eAcA | G<GBG dGBg | A<AcA eAcA | Eaef cAA :: B | ca^ga eada | [dB]=gdg BGGB | 
 Aa^ga eada | faef cAAB | ca^ga eaca | B=gdg BGGB | A<AcA eAcA | Eaef cAA :|  