Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/2
K:D
['a>g f>ad>f A>dF>A D>FA>d f2 e>f', 'G>FG>A B>cd>e f3 e d>cd>B', '(3fgf (3efe (3ded (3cdc (3BcB']  
X:1
L:1/8
M:2/2
K:D
 a>g | f>ad>f A>dF>A | D>FA>d f2 e>f | g>be>g c>eA>F | G>AB>G E2 a>g | f>ad>f A>dF>A | 
 D>FA>d f2 e>f | g>bg>e c>AB>c | d2 f2 d2 :: D2 | G>FG>A B>cd>e | f3 e d>cd>B | A2 f2 f>Af>A | 
 G2 e2 e>Ge>F | G>FG>A B>cd>e | f3 e d>cd>B | A>fe>d c>AB>c | d2 f2 d2 :: a>g | 
 (3fgf (3efe (3ded (3cdc | (3BcB (3ABA G2 b>a | (3gag (3fgf (3efe (3ded | (3cdc (3BcB A2 a>g | 
 (3fgf (3efe (3ded (3cdc | (3BcB (3ABA (3GAG (3FGF | E>ge>d c>AB>c | [dF]2 [fA]2 [dF]2 :|  