Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:C
['g3 g', 'e2 d2']  
X:1
L:1/8
M:4/4
K:C
 g3 g agfe | e2 e2 fedc | (cd)(eg) g2 ag | ga/g/ fe ec"^tr" d2 | g3 g fedc | e3 e fedc | 
 ceeg gf/g/ af | edcB c4 :: d3 d ed d2 | d/f/e/g/"^tr" fe"^tr" d2 c2 | ceeg g2 ag | 
 ga/g/ fe"^tr" e2 d2 | g3 g agfe | e3 e fedc | ceeg gf/g/ af | e2 d2 c4 :|  