Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:D
["a2 c'>c' f>fa>f d>df>d (3ABA A>B A>Bc>d", '(3faf B>e (3faf (3efe d>ec>d']  
X:1
L:1/8
M:4/4
K:D
|: a2 c'>c' f>fa>f | d>df>d (3ABA A>B | A>Bc>d e>fg>a | (3bcb a>a f>ef>g | a2 c'>c' f>fa>f | 
 d>df>d (3ABA A>B | A>Bc>d e>fg>a |1 (3faf d>c d>ef>g :|2 (3faf d>c d>d || d>c | B>c (3BBA B2 d>e | 
 (3faa (3eaa (3faf B>e | (3faf (3efe d>ec>d | B>dc>A B>AF>A | B>cB<B B>cd>e | (3faa e>c (3faf B>e | 
 (3faf (3efe d>ec>d | B>dc>A B>BF>A | B>c (3BBB B>bb>a | (3faa (3eaa (3faf B>e | 
 (3faf (3efe d>ec>d | (3Bcd c>A B>AF>A | B>cB>A B>cd>e | (3faa (3eaa (3faf B>e | 
 (3faf (3efe d>ec>d | (3Bcd c>A B>d (3e3/2f/g ||  