Produce a musical composition based on the provided chord structure.
'G', 'D', 'C', 'G', 'C', 'D', 'G', 'D', 'C', 'G', 'C', 'G', 'Em', 'B7', 'Em', 'B7', 'Em', 'G', 'C', 'G', 'A', 'D', 'G', 'C', 'G', 'D', 'G'  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
"G" B2 B2 | AG G2 |"D" FG AB | dc c2 |"C" c2 c2 | BA A2 |"G" GF"C" EF |"D" ED B,A, |"G" B2 B2 | 
 AG G2 |"D" FG AB | dc c2 |"C" c2 c2 | BA A2 |"G" GF"C" EF |"G" G2 GA |:"Em" BE BE | BE EF | 
 GE E2 |"B7" FB B2 |"Em" BE BE | BE EF |"B7" G2 F2 |"Em" E2 E2 :|"G" D2 GA | B3 c | dB GA | B3 B | 
"C" cc Ac |"G" BA GB |"A" AG FG |"D" A2 A2 |"G" D2 GA | B3 c | dB GA | B3 B |"C" cc Ac |"G" BA GB | 
"D" AD EF |"G" G4 |]  