Design a collection of chord matches that boost the harmonic qualities of the provided musical work.
cd |: eagb agaf | ecAB c2 ce | dcBc"^(E7)" d2 df | ecAB c2 cd || eagb agaf | 
 ecAB c2 ce | dcBc defg |1 a2 ag a2 cd :|2 a2 ag abag |: f2 d2 f3 f | 
 ecAB c2 ce | dcBc d2 df | ecAB ceag || f2 d2 f3 f | ecAB c2 ce | 
 dcBc defg |1 a2 ag abag |:2 a2 ag a2 |]  
X:1
L:1/8
M:4/4
K:A
 cd |:"A" eagb"D" agaf |"A" ecAB c2 ce |"Bm" dcBc"^(E7)" d2 df |"A" ecAB c2 cd ||"A" eagb"D" agaf | 
"A" ecAB c2 ce |"Bm" dcBc"E7" defg |1"A" a2 ag a2 cd :|2"A" a2 ag abag |:"D" f2 d2 f3 f | 
"A" ecAB c2 ce |"Bm" dcBc"E7" d2 df |"A" ecAB ceag ||"D" f2 d2 f3 f |"A" ecAB c2 ce | 
"Bm" dcBc"E7" defg |1"A" a2 ag abag |:2"A" a2 ag a2 |]  