Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['', 'ag f2 df edBA', 'e faaf', '']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 ag |: f2 df edBA | (3Bcd ef g2 ag | f2 df edBA | dBAG FA D2 :| faaf d3 e | faaf g3 e | faaf gfef | 
 gfed Bdde | faaf d3 e | faaf g2 ga | bgaf gfed | (3Bcd ef"^last time" g2 af || d8 |]  