Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:Dmix
['FD D2 cAGB AGFG', 'f2 df', 'A2 A2', 'f2 af']  
X:1
L:1/8
M:4/4
K:Dmix
 d | cAGE FDDE | FAGA FD D2 | cAGB AGFG | Adde fded | cAGE FDDE | FDAD FD D2 | cAGB AGFG | 
 Add^c d3 e || f2 df efge | fded ^cAAe | f2 df ed^cd | Add^c d2 cd | eaag efge | dfed =cAGB | 
 Add^c d2 dB | ABde fded || cAGB A2 A2 | BdBG A2 A2 | cAGB AGFG | Adde fded | cAGB A2 A2 | 
 BGGF G3 A | cAGB AGFG | Add^c d3 e || f2 af ffaf | f2 af ge^ce | f2 af ffaf | gagf d^cAc | 
 defg a2 ab | agfa g2 ge | f2 fd ed^cA |1 d^cde fded :|2 cAGE D4 |]  