Design a melodically engaging tune in accordance with the suggested chord progression.
'D', 'A7', 'D', 'A7', 'D', 'D', 'D', 'A7', 'D', 'A7', 'D', 'D7', 'G', 'D7', 'G', 'D7', 'G', 'D7', 'G', 'G', 'D', 'A7', 'D', 'D', 'A7', 'D', 'D'  
X:1
L:1/16
M:2/4
K:D
 FG |:"D" A2FD F2FG |"A7" A2GE G2Ad | ceB2 BcG2 |"D" BAFB A2FA | A2FD F2FG |"A7" A2GE G2Ad | 
 c2>B2 AGFE |1"D" D6 FG :|2"D" D6 DE |:"D" F2>E2 FEFB |"A7" PA2C2 C2EF | GFEF GABc |"D" dcBA F2DE | 
 F2>E2 FEFB |"A7" A2C2 C2EF | GFEF GABc |"D" d2AF D4 ::[K:G]"D7" Pd2A2 Pd2A2 |"G" B2GD B,DGB | 
"D7" A2FD ^CDFA |"G" B2GD B,DGB |"D7" Pd2A2 Pd2A2 |"G" B2GD B,DGB |"D7" A2ed"_c" cAFA |1 
"G" G2B2G2 z2 :|2"G" G2B2 G2FG |:[K:D]"D" A2A2 AdcB | B2A^G A2>B2 |"A7" A2GF G2>A2 |"D" G2FE F2FG | 
 A2A2 AdcB | B2A^G A2B2 |"D" F2EF"A7" G2>C2 |1"D" D2F2 D2DG :|2"D" D2F2 D2"_d.C." z2 |]  