Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:3/4
K:Bb
['d>c B3 (3cBG F4 e>d d3 BA']  
X:1
L:1/8
M:3/4
K:Bb
 d>c |"Bb" B3 A"Eb" (3cBG |"Bb" F4 e>d |"Cm" d3 c"F7" BA |"Bb" B4 c>c |"F7" c3 F GF |"Bb" B4 c>c | 
"F7" c3 F GF |"Bb" B4 d>c | B3 A"Eb" (3cBG |"Bb" F4 e>d |"Cm" d3 c"F7" BA |"Bb" B4 |]  