Design chord configurations to expand the harmonic depth of the submitted musical passage.
f/g/f/e/ dB | AD FA | GE e>d | cB BA | f/g/f/e/ dB | AD FA | 
 GE e>f | ed d2 :: Af f/e/f | Bg g/f/g | Af f/e/d | e/f/e/d/ BA | 
 Af f/e/f | Bg g>a | ba ge/f/ | ed d2 :|  
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
"D" f/g/f/e/ dB |"Bm" AD FA |"Em" GE e>d |"A7" cB BA |"D" f/g/f/e/ dB |"Bm" AD FA | 
"Em" GE"A7" e>f |"D" ed d2 ::"D" Af f/e/f |"G" Bg g/f/g |"D" Af f/e/d |"A7" e/f/e/d/ BA | 
"D" Af f/e/f |"G" Bg g>a | ba"A7" ge/f/ |"D" ed d2 :|  