Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
Q:1/8=232
M:4/4
K:Eb
['BG EB, G,B =Ac BG', "ec' ac' e'c' ac' ba gf eg"]  
X:1
L:1/8
Q:1/8=232
M:4/4
K:Eb
|: (3(B=Ac) | BG EB, G,B =Ac | BG EB, G,B =Ac | BG Eg de Bc' | =bc' af df =eg | fd BF Df =eg | 
 fd BF Df =ef | af dB AF DB, | E2 G2 E2 :: (3(edf) | ec' ac' e'c' ac' | ba gf eg fe | da fd Bc AB | 
 GB eg be df | ec' ac' e'c' ac' | ba gf eg fe | da fd BA FD | E2 G2 E2 :|  