Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:D
['a fddf a>baf d>fec BBB>A d>efg ab^ge', 'cAA e cAAc e>fec d/e/f/g/ f/a/g/f/ e/d/c/B/']  
X:1
L:1/8
M:2/4
K:D
 a | fddf | a>baf | d>fec | BBB>A | d>efg | ab^ge | a>ABd | cAA :: e | cAAc | e>fec | 
 d/e/f/g/ f/a/g/f/ | e/d/c/B/ Aa | fddf | a>baf | B>dc>e | ddd :|  