Construct music pieces following the indicated chord shifts.
'G', 'Am', 'D', 'G', 'D', 'G', 'G', 'C', 'D', 'G', 'C', 'G', 'D', 'G'  
X:1
L:1/8
M:4/4
K:G
 GA |"G" B2 GB AGEG | DGGF G2 AB |"Am" cBAB cBAG | EGAG"D" FDGA |"G" B2 GB AGEG | DGGF G2 Bc | 
 d2 Bd gdBd |"D" cAFA"G" G2 :| Bc |"G" d2 Bd gdBd | d2 Bd gdBd |"C" e2 ce agfe | defg"D" agfe | 
"G" d2 Bd gdBd | d2 Bd gdBd |"C" c2 Ac"G" B2 GB |"D" AGEF"G" G2 :|  