Devise a range of chord patterns to boost the harmonic depth of the chosen musical work.
|: EB B2 dB B2 | EBBA FE (3FGA | BE E2 BA (3Bcd |1 e2 fedB AF :|  
X:1
L:1/8
M:2/2
K:Edor
|:"Em" EB B2 dB B2 | EBBA"D" FE (3FGA |"Em" BE E2 BA (3Bcd |1"D" e2 fedB AF :|  