Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/4
M:2/2
K:C
['c2 B A G3 G A A', 'e/f/ g']  
X:1
L:1/4
M:2/2
K:C
|: c2 B A | G3 G | A A (B3/2 A/4B/4) | c3/2 d/ c G | c2 B A | G3 G | A A B A/B/ | c2- c2 :| 
 e/f/ g e/f/ g | f e d G | c2 d e | e2 d2 | e/f/ g e/f/ g | f e d G | A2 B2 | c2- c2 |]  