Create compositions based on the given chord modifications.
'G', 'G', 'C', 'D7', 'D7', 'G', 'Em', 'D', 'Em', 'D', 'Em', 'D', 'G'  
X:1
L:1/8
M:2/2
K:G
|:"G" G2 ge d2 ed | B2 ge"^(D7)" dBAB |"G" G2 ge d2 ed |1,3 BGAG"C" EF"D7"GA :|2,4 
"D7" BGAF"G" G4 ::"Em" B e2 e e2 eg |"D" fgaf"Em" gfed | B e2 e efge |1,3"D" fgaf"Em" g2 B2 :|2,4 
"D" fgaf"G" g4 :|  