Construct congruent chords that enhance the existing musical piece.
(fe) | dAFA D2 (FA) | dfec dcBc | A2 ce A2 ce | (3(fga) ef dcBA | 
 dAFA D2 (FA) | dfec dcBA | (gf)gb afdf | eABc d2 :: z2 | 
 d(g{a} (3gfg) b(g{a} (3gfg) | (3(gag) bg agfg | A2 ce A2 ce | (3(fga) ef dcBA | 
 d(g{a} (3gfg) b(g{a} (3gfg) | (3(gag) bg agfa | gfgb afdf | eABc d2 :|  
X:1
L:1/8
M:4/4
K:D
 (fe) |"D" dAFA D2 (FA) |"D" dfec"G" dcBc |"A" A2 ce A2 ce |"G" (3(fga) ef"A" dcBA | 
"D" dAFA D2 (FA) |"D" dfec"A" dcBA |"G" (gf)gb"D" afdf |"A" eABc"D" d2 :: z2 | 
"G" d(g{a} (3gfg) b(g{a} (3gfg) | (3(gag) bg agfg |"A" A2 ce A2 ce |"G" (3(fga) ef"A" dcBA | 
"G" d(g{a} (3gfg) b(g{a} (3gfg) | (3(gag) bg agfa |"G" gfgb"D" afdf |"A" eABc"D" d2 :|  