Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
M:4/4
K:D
['', 'FD D2 AD D2 FGAF', 'd2 dc d3', 'dcBA d2 fd Adfd c2 ec Acef']  
X:1
L:1/8
M:4/4
K:D
 AG |: FD D2 AD D2 | FGAF GEFD | E3 F GEFD | EDEF GFEG | FD D2 AD D2 | FGAF GEFd | cdef geag |1 
 fdec dBAG :|2 fdec d3 e |: fB B2 fage | fB B2 afed | cAeA fAeA | cAcd efge | fB B2 fage | 
 fB B2 afed | cdeg faec |1 d2 dc d3 e :|2 d2 dc d3 A || d2 fd Adfd | c2 ec Acec | d2 fd Adef | 
 gfge dcBA | d2 fd Adfd | c2 ec Acef | gfge dcBA | cdec dBAG ||  