Design a melodically engaging tune in accordance with the suggested chord progression.
'G', 'D7', 'G', 'D7', 'G', 'D7', 'G', 'Em', 'B7', 'Em', 'D7', 'G', 'G', 'D7', 'G', 'D7', 'G', 'Em', 'B7', 'Em', 'D7', 'G'  
X:1
L:1/16
M:2/4
K:G
"G" G2g2 d2ed | B2ge dBAF | G2g2 d2ed | BGAG"D7" EGDF |"G" G2ge d2ed | B2ge dBAF | G2ge dged | 
"D7" BGAF"G" G2>A2 | G2ge d2ed | B2ge dBAF | G2ge dged | BGAG"D7" EGFA |"G" G4 |:"Em" Be2d e2g | 
 fedf edBA | Be2d e2eg |"B7" fgaf"Em" gab2 | Be2d e2eg | fedf edBA | Be2d e2eg |"D7" fgaf"G" g4 :: 
"G" Bd2e d2>c2 | BABc dBGA | Bd2e d2>c2 | BAGC"D7" EGDG |"G" Bd2e d2>c2 | BABc dBGA | Bd2e d2cd | 
"D7" BGAF"G" G4 ::"Em" Be2d e2g | fedf edBA | Be2d e2eg |"B7" fgaf"Em" gab2 | Be2d e2eg | 
 fedf edBA | Be2d e2eg |"D7" fgaf"G" g4 :|  