Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['AG FDD DFA dcA A2 G fdd', 'cAF G2']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
"^D modal" AG | FDD DFA | dcA A2 G | fdd cAA | dcA Gag |"^5" fdd edc | dcA d2 e | f2 f ded | 
 cAF G :| FG |"^9" cAA efd | cAB c2 d | cAA efd | cAF G2 B |"^13" cAA f2 d | cAB cde | fff ded | 
 cAF G2 B |"^17" cAA efd | cAB c2 d | eAA efd | cAF G2 A |"^21" cAA fed | cAB cde | fff ded | 
 cAF G3 |]  