Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/4
M:6/4
K:C
['G A3/2 B/ c B2 c d2', 'g e3/2']  
X:1
L:1/4
M:6/4
K:C
 G | A3/2 B/ c B2 c | d2 d d3/2 e/ f | e A d B G B | c2 c c2 :: g | e3/2 f/ g a3/2 b/ c' | 
 g2 g g3/2 f/ e | a3 g e c | d2 d d2 e | f3/2 g/ a e g G | c A e f2 g | e3/2 d/ c d G B | 
 c2 c !fermata!c2 |]  