Devise a fitting chain of harmonic chords in line with the provided musical work.
|: bg | f2 B2 edcB | f2 B2 edcB | g2 c2 cdef | g2 c2 cdeg | f2 ed b2 ag | 
 f2 ed c2 Bc | dcBG FGBc | d2 B2 B2 :| fe | d2 B2 defe | d2 B2 defd | 
 e2 c2 cdef | g2 c2 c2 fe | d2 B2 defe | d2 B2 defe | defg fdce | d2 B2 B2 || 
 bc' | d'2 bd' c'2 ac' | b2 fb g2 df | gcbc cdef | gcbc cabc' | 
 d'2 bd' c'2 ac' | b2 fb b2 dg | f2 F2 FGBc | 
 d2 [BE]2 [BD]2 |]  
X:1
L:1/8
M:2/2
K:Bb
|: bg |"Bb" f2 B2 edcB | f2 B2 edcB |"Cm" g2 c2 cdef | g2 c2 cdeg |"Bb" f2 ed b2 ag | 
 f2 ed"Cm" c2 Bc |"Bb" dcBG"F7" FGBc |"Bb" d2 B2 B2 :| fe |"Bb" d2 B2 defe | d2 B2 defd | 
"Cm" e2 c2 cdef | g2 c2 c2 fe |"Bb" d2 B2 defe | d2 B2 defe |"Bb" defg"F7" fdce |"Bb" d2 B2 B2 || 
 bc' |"Bb" d'2 bd'"Cm" c'2 ac' |"Bb" b2 fb"Eb" g2 df |"Cm" gcbc cdef | gcbc ca"F7"bc' | 
"Bb" d'2 bd'"Cm" c'2 ac' |"Bb" b2 fb"Eb" b2"Gm" dg |"Bb" f2 F2"F7" FGBc | 
"Bb" d2"Eb" [BE]2"Bb" [BD]2 |]  