Compose a melody using the given chord progression.
'G', 'Em', 'D', 'G', 'Em', 'D', 'G', 'Em', 'D', 'Em', 'D', 'G'  
X:1
L:1/8
M:2/2
K:G
 (3DEF |"G" G2 GF GABc | dBge dBAc |"Em" BE E/E/E EFGA |"D" BGAF GFED |"G" G3 F GABc | dBge dBAc | 
"Em" BEED EFGA |"D" BGAF"G" G2 :| A2 |"Em" Beed e3 g | fgaf gfed |"D" Bdd^c d3 e | fgafgfed | 
"Em" Beed e2 eg | fgaf gfed | BEED EFGA |"D" BGAF"G" G2 :|  