Produce harmonizing chords for the given music.
e2 | f2 af gfed | f2 af gfed | e2 ef gfed | edef gfed | f2 af gfed | 
 f2 af gfed | cdef gece | dfec d2 :: ef | gB B/B/B gBaB | gB B/B/B gfed | 
 (3cBA eA fAeA | (3cBA ef gfef | gB B/B/B gBaB | gB B/B/B gfed | cdef gece | 
 dfec d2 :|  
X:1
L:1/8
M:4/4
K:D
 e2 |"D" f2 af gfed |"D" f2 af gfed |"A" e2 ef gfed |"A" edef gfed |"D" f2 af gfed | 
"D" f2 af gfed |"A" cdef gece |"D" dfec d2 :: ef |"G" gB B/B/B gBaB |"G" gB B/B/B gfed | 
"A" (3cBA eA fAeA |"A" (3cBA ef gfef |"G" gB B/B/B gBaB |"G" gB B/B/B gfed |"A" cdef gece | 
"D" dfec d2 :|  