Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/16
M:2/4
K:G
['B,DGA BGDB, CEAB cAFD', 'bgeg dgBg']  
X:1
L:1/16
M:2/4
K:G
"^4" vDC | B,DGA BGDB, | CEAB cAFD | B,DGA BGcB | (3(ABA) (3(GFE) (3(DED) (3(CB,A,) | B,DGA BGDB, | 
 CEAB cAFD | B,DGB ADEF | G2B2G2 :: vga | bgeg dgBg | dgBg dgBg | bgeg dgBg | fgab a2(ga) | 
 bgeg dgBg | cBAB cdef | gdBG EcAF | G2B2G2 :|  