Develop chord structures to complement and enrich the harmony of the allotted musical excerpt.
"^A" |: (B | d>)d B2 G>B | (e>d) B2 B>B | d>d B2 G>B | (d>B){dB} A2 A z | 
 (A>B) (AG) F<A | d2 d2 z ud | (f<e) (d>c) B>A | G2 G3 :|"^B" |: z | D2 (D>B,) D>G | 
 B2 (B/c/B/A/) G>F | E2 (E>C) E>G | c2 (c>B) A>G | F2 (F>G) F>E | (TE<D) D3 z |1 
 (B,>C) (D>E) D>C | (C<B,) B,3 z :|2 (D>B,) (D>G) B>A |{A} G2 G3 ||"^C" |: (B | 
 d>)(d{Bd} B2) G>B |{B} d>(d{Bd} B2) B>B | C2 c2 c>c |{c} e>(e{ce} c2) c>D | 
 D>(D F2) D>F | A>(A F2) F>TE | D>D (3(EDE) (3(FEF) | G2 G3 :|  
X:1
L:1/8
M:3/4
K:G
"^A" |: (B |"G" d>)d B2 G>B | (e>d) B2 B>B | d>d B2 G>B |"D7" (d>B){dB} A2 A z | 
"D7" (A>B) (AG) F<A | d2 d2 z ud | (f<e) (d>c) B>A |"G" G2 G3 :|"^B" |: z |"G" D2 (D>B,) D>G | 
 B2 (B/c/B/A/) G>F |"C" E2 (E>C) E>G | c2 (c>B) A>G |"D7" F2 (F>G) F>E | (TE<D) D3 z |1 
 (B,>C) (D>E) D>C | (C<B,) B,3 z :|2"G" (D>B,) (D>G) B>A |{A} G2 G3 ||"^C" |: (B | 
"G" d>)(d{Bd} B2) G>B |{B} d>(d{Bd} B2) B>B |"C" C2 c2 c>c |{c} e>(e{ce} c2) c>D | 
"D7" D>(D F2) D>F | A>(A F2) F>TE | D>D (3(EDE) (3(FEF) |"G" G2 G3 :|  