Produce harmonic orchestration in accordance with the defined chord pattern.
'D', 'Em', 'D', 'G', 'D', 'Em', 'D', 'G', 'A7', 'D'  
X:1
L:1/8
M:4/4
K:D
 fg |:"D" agfg"Em" efdB |"D" A F3 DFAF |"G" B G3 EFGE |"D" FAAG FA A2 | agfg"Em" efdB | 
"D" A F3 DFAd |"G" B G3"A7" G2 ag | fgeg"D" fd d2 :|  