Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/8=220
M:2/4
K:C
['c2 eg g2 fe fa', 'G2 AB c2 de']  
X:1
L:1/8
Q:1/8=220
M:2/4
K:C
 c2 eg | g2 fe | fa Ad | cB AG | c2 eg | g2 fe | fa dB | c/B/c/d/ c2 :| G2 AB | c2 de | fa fd | 
 cB AG | G2 AB | c2 de | fd cB | c/B/c/d/ c2 :|  