Design a melodically engaging tune in accordance with the suggested chord progression.
'D', 'G', 'D', 'A7', 'D', 'G', 'D', 'A7', 'D', 'A', 'D', 'D', 'A7', 'D', 'Bm', 'G', 'A7', 'D'  
X:1
L:1/8
M:4/4
K:D
 A,/ |"D" DE/F/"G" G>B"D" (A<F) F>B | (A<F) FE/D/"A7" E2- E>F |"D" DE/F/"G" G>B"D" (A<F) F>B | 
"A7" (A<F) F>E"D" D7/2 :| f/ |"A" e>A f>A g>A f>A | e>A g>f e2- e>f | e>A f>A g>A f>A | 
 (3fga (3gfe"D" d>A F>A |"D" d>f (A<f) d>f (A<f) | d>f (A<f)"A7" e2- e>g | 
"D" (3fga (3gfe"Bm" (3dcB (3AGF |"G" G>B"A7" (A<F)"D" D7/2 |]  