Develop well-balanced harmonic arrangements to enrich the provided music piece.
AG | FAA dAA | BAB dAG | FAA dfe | d2 B BAG | FAA dAA | BAB def | 
 gfe d/e/fe | dBB B :|[K:Bmin] z e | fbb faa | fef deg | fbb faa | 
 fed efg | fbb faa | fef def | gfe d/e/fe | dBB B :| 
"^Last line to finish:" fbb faa | fef def | gfe d/e/fe | dBB BAG | F6 |]  
X:1
L:1/8
Q:1/4=170
M:6/8
K:D
 AG |"D" FAA dAA |"G" BAB dAG |"D" FAA dfe |"G" d2 B BAG |"D" FAA dAA |"G" BAB"D" def | 
"Em" gfe"D" d/e/fe |"G" dBB B :|[K:Bmin] z e |"Bm" fbb faa |"Bm" fef"G" deg |"Bm" fbb faa | 
"Bm" fed"A" efg |"Bm" fbb faa |"Bm" fef"D" def |"Em" gfe"D" d/e/fe |"G" dBB B :| 
"^Last line to finish:""Bm" fbb faa |"Bm" fef"D" def |"Em" gfe"D" d/e/fe |"G" dBB BAG |"D" F6 |]  