Write a tune that sticks to the prescribed chord sequence.
'G', 'Em', 'C', 'D', 'G', 'Em', 'C', 'D', 'G', 'Em', 'C', 'D', 'G', 'Em', 'C', 'D'  
X:1
L:1/4
M:2/2
K:G
"G" D3/2 E/ D E |"Em" G A B2 |"C" A G E G |"D" B A B/ d3/2 |"G" D3/2 E/ D E |"Em" G A B2 | 
"C" A G E C |"D" D2 D2 ::"G" d3/2 d/ d e |"Em" d c B2 |"C" A G E G |"D" B A B/ d3/2 | 
"G" d3/2 d/ d e |"Em" d c B2 |"C" A G E C |"D" D2 D2 :|  