Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:D
['=cAAF G2']  
X:1
L:1/8
M:4/4
K:D
 =cAAF G2 AB | =cABG Ad d2 | =cAAF G2 eg | fdec AddB | =cAAF G2 AB | =cABG Ad d2 | =cAAF G2 eg | 
 fdec Adde | f3 g a2 ag | fefg afde | fgaf g2 ag | fdec Adde | f3 g a2 ag | fefg afde | 
 fgaf g2 ag | fdec Ad d2 |]  