Assemble an assortment of chord duos that intensify the harmonious features of the given musical masterpiece.
|: [Bd][ce][ce] [ce][Bd] [ce]2 | [Ac][Bd][Bd] [Bd][Ac] [Bd]2 | 
 [GB][Ac][Ac] [Ac][GB] [Ac][GB] | [FA][EG][FA] [GB]2 z E | [Ac]3 [Bd]2 [ce]2 | 
 [df]2 [ce] [Bd]2 [Ac]2 | [GB][Bd][Ac] [GB][FA] [FA][EG] | [EG]3- [EG]2 z2 :: 
 [EG]3 [FA]4 | [GB]/[Ac]/[GB]/[FA]/[EG] [FA]2 z2 | [ce]2 [ce] [Bd]2 [Ac]2 | 
 [GB]2 [Ac] [Bd]2 z2 | [ce]2 [ce] [Bd]2 [Ac]2 | [GB]2 [Ac] [Bd]2 [Ac]2 | 
 [GB][Bd][Ac] [GB][FA] [FA][EG] |1,3 [EG]3- [EG]2 z2 :|2,4 [EG]3 AB cd :: 
 [GB]3 [ce]4 | [GB]3 [Bd]4 | [FA][FA][FA]"^(Am)" [Ac]2 [Ac][GB] | 
 [FA][EG][FA] [GB]2 z2 | [GB][Bd][Ac] [GB][FA] [FA][EG] | [EG]3- [EG]4 | z7 :|  
X:1
L:1/8
M:7/8
K:Ephr
|:"Am" [Bd][ce][ce] [ce][Bd] [ce]2 |"E" [Ac][Bd][Bd] [Bd][Ac] [Bd]2 | 
"Am" [GB][Ac][Ac] [Ac][GB] [Ac][GB] |"Dm" [FA][EG][FA]"E" [GB]2 z E |"Am" [Ac]3 [Bd]2 [ce]2 | 
"Dm" [df]2 [ce] [Bd]2 [Ac]2 |"E" [GB][Bd][Ac]"Dm" [GB][FA] [FA][EG] |"E" [EG]3- [EG]2 z2 :: 
"E" [EG]3"Dm" [FA]4 |"E" [GB]/[Ac]/[GB]/[FA]/[EG]"Dm" [FA]2 z2 |"Am" [ce]2 [ce] [Bd]2 [Ac]2 | 
"E" [GB]2 [Ac] [Bd]2 z2 |"Am" [ce]2 [ce] [Bd]2 [Ac]2 |"E" [GB]2 [Ac]"Dm" [Bd]2 [Ac]2 | 
"E" [GB][Bd][Ac]"Dm" [GB][FA] [FA][EG] |1,3"E" [EG]3- [EG]2 z2 :|2,4"E" [EG]3 AB cd :: 
"E" [GB]3"Am" [ce]4 |"E" [GB]3 [Bd]4 |"Dm" [FA][FA][FA]"^(Am)" [Ac]2 [Ac][GB] | 
"Dm" [FA][EG][FA]"E" [GB]2 z2 |"E" [GB][Bd][Ac]"Dm" [GB][FA] [FA][EG] |"E" [EG]3- [EG]4 | z7 :|  