Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
fe |: dB PB2 FBdB | fBdf B2 ed | cAAA EAcA | eAce A2 fe | dB PB2 FBdB | 
 fBdf B2 cB | AB (3cBA e2 fe |1 dfdc B2 fe :|2 dfdc B2 z A |: 
[K:D] DCDE DEFG | A2 AB AFED | d2 Bd AFDE | FDEF ECB,A, | DCDE DEFG | 
 A2 AB AFED | d2 Bd AFDE |1 FDEC D2 z A, :|2 FDEC D f2 e |]  
X:1
L:1/8
M:2/2
K:Bmin
 fe |:"Bm" dB PB2 FBdB |"Bm7" fBdf"E7" B2 ed |"A" cAAA EAcA | eAce"F#7" A2 fe |"Bm" dB PB2 FBdB | 
 fBdf"G7" B2 cB |"C#7" AB (3cBA"F#7" e2 fe |1"Bm" df"A"dc"Bm" B2 fe :|2"Bm" dfdc"A7/C#" B2 z A |: 
[K:D]"D" DCDE DEFG |"D/F#" A2 AB AFED |"G" d2 Bd"D/F#" AFDE |"E7" FDEF"A" ECB,A, |"D" DCDE DEFG | 
"D/F#" A2 AB AFED |"G" d2 Bd"D/F#" AFDE |1"A" FDEC"D" D2 z A, :|2"A" FDEC"D" D f2 e |]  