Create a melodious tune based on the given chord progression.
'D', 'G', 'D', 'A', 'D', 'G', 'Em', 'A', 'D', 'A', 'D', 'D', 'A', 'D', 'G', 'A', 'D', 'G', 'D', 'D', 'G', 'A', 'D', 'D', 'G', 'A', 'D'  
X:1
L:1/8
M:2/2
K:D
"D" agfg efdB | AF F2 DFAd |"G" BG G2 EFGE |"D" FA A2"A" FAdf |"D" agfg efdB | AF F2 DFAd | 
"G" BGFG"Em" E2 ag |1"A" faeg"D" fddf :|2"A" faeg"D" fdfg |:"D" a2 fd Adfd |"A" efed cAfg | 
"D" a2 fa"G" bged |"A" Beed efge |"D" f3 a"G" g2 ag |"D" fdec dBAG |1"D" FGAF"G" G2 ag | 
"A" faeg"D" fdfg :|2"D" FGAF"G" G2 ag |"A" faeg"D" fddf |]  