Construct a melodically pleasant tune that corresponds with the specified chord structure.
'G', 'G', 'G', 'Em', 'Am', 'D7', 'G', 'Em', 'G', 'G', 'C', 'D7', 'G', 'G', 'G', 'Em', 'Am', 'Am', 'G', 'G', 'C', 'G', 'Em', 'D7', 'G'  
X:1
L:1/8
M:4/4
K:G
 D2 |"G" G2 (DG) B2 (GB) |"G" dBeB dBAB |"G" d2 (Bd)"Em" egdB |"Am" AcBA"D7" GEDE | 
"G" G2 (DG)"Em" B2 (GB) |"G" dBeB dBAB |"G" d2 (Bd)"C" egdB |"D7" AcBA"G" G2 :| d2 | 
"G" dggf g2 (df) |"G" g2 (ag)"Em" ageg |"Am" eaag a2 (eg) |"Am" a2 (bg) ageg |"G" dggf g2 (df) | 
"G" g2 (bg)"C" ageg |"G" d2 (Bd)"Em" gedB |"D7" AcBA"G" G2 :|  