Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:4/4
K:F
['z c f>efg fedc']  
X:1
L:1/8
M:4/4
K:F
 F | c>dcA d>efd | c>AG>A F2 z c | f>efg fedc | dcfA c2 z c | f>efg fedc | dcBA !fermata!d2 z e | 
 f>edc d>ef>d | c>A(B>c) F2 z ||  