Develop chord structures to complement and enrich the harmony of the allotted musical excerpt.
f2 de fBde | f2 df eAce | fB B2 fBde | fgaf eAce :| fBdB fBde | 
 fB B2 eAce | fBdB fBde | fgaf eAce | fBdB fBde | fB B2 eAce | 
 dcBc defg | abaf eAce |]: fBbB fBde | fBbB aAce | fBbB aBgB |1 
 fBgB aAce :|2 fgaf eAce |]  
X:1
L:1/8
M:2/2
K:A
"Bm" f2 de fBde |"Bm" f2 df"A" eAce |"Bm" fB B2 fBde |"D" fgaf"A" eAce :|"Bm" fBdB fBde | 
"Bm" fB B2"A" eAce |"Bm" fBdB fBde |"D" fgaf"A" eAce |"Bm" fBdB fBde |"Bm" fB B2"A" eAce | 
"Bm" dcBc"D" defg |"A" abaf eAce |]:"Bm" fBbB fBde |"Bm" fBbB"A" aAce |"Bm" fBbB aBgB |1 
"F#m" fBgB"A" aAce :|2"D" fgaf"A" eAce |]  