Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/16
Q:1/4=50
M:3/8
K:D
[".D2.F2.A2 .d2.f2.a2 d'2a2f2 d4 f2 A2c2e2 g4"]  
X:1
L:1/16
Q:1/4=50
M:3/8
K:D
"^f" .D2.F2.A2 | .d2.f2.a2 | d'2a2f2 | d4 f2 | A2c2e2 | g4 e2 | b2g2e2 | c4 A2 | a2 | gafaea | 
 fadafa | gafaea | f2d'2 f2 | a2 | (d'c'b).a.g.f | (ed).c.B(AG) | F2A2d2 | (f2e2) a2 | 
 (d'c').b.a(gf) | (ed).c.B(AG) | (FB).A.G(FE) | D6 :|  