Design an agreeable chord progression that fits well with the given music piece.
|: D>E | F3 d ^c>d | B2 F2 D>F | E3 F (3EDC | G,3 A, B,>G, | A,3 ^G, A,>C | 
 F3 F =E>F |1 G2 F2 e2 | d3 F :|2 G2 F2 A2 | B4 |: d>e | f3 b a>b | 
 d4 e>d | c<e- e2 c2 | G3 A B>G | A3 ^G A>c | f3 f =e>f | g2 (3fga b2 | 
 d4 d>e | f2 b2 d2 | f4 e>d | c<e- e2 c2 | G4 A>G | F2 A2 c2 | f3 f =e>f | 
 g2 G2 A2 | B4 :|  
X:1
L:1/8
M:3/4
K:Bb
|: D>E |"Bb" F3 d ^c>d | B2 F2 D>F |"Eb" E3 F (3EDC |"C7" G,3 A, B,>G, |"F" A,3 ^G, A,>C | 
 F3 F =E>F |1"C7" G2"F7" F2 e2 |"Bb" d3 F :|2"C7" G2"F7" F2 A2 |"Bb" B4 |:"F7" d>e |"Bb" f3 b a>b | 
 d4 e>d |"Eb" c<e- e2 c2 |"C7" G3 A B>G |"F" A3 ^G A>c | f3 f =e>f |"C7" g2 (3fga"F7" b2 | 
"Bb" d4 d>e |"Bb" f2 b2 d2 | f4 e>d |"Eb" c<e- e2 c2 |"C7" G4 A>G |"F" F2 A2 c2 |"F7" f3 f =e>f | 
"C7" g2 G2"F7" A2 |"Bb" B4 :|  