Invent captivating melodic motifs that merge with the given chord progressions.
'D', 'G', 'Em', 'A', 'A7', 'D', 'D', 'D', 'D', 'Em', 'A', 'G', 'A', 'D', 'G', 'A', 'D'  
X:1
L:1/4
M:4/4
K:D
 A |"D" f f f e | d d d c/d/ |"G" e d c d |"Em" B2 B c/d/ |"A" e/e/e/e/ e d | c/c/c/c/ c B | 
"A7" A g f e |1"D" f3 :|2"D" d3 :| F/G/ |"D" A/B/A/F/ D F/G/ | A/B/A/F/ D F/G/ |"D" A d c d | 
"Em" E2 z E/F/ |"A" G/F/E/D/ C E/F/ | G/F/E/D/ C E/F/ |1"G" G B"A" A G |"D" F2 z :|2 
"G" G B"A" A C |"D" D2 z |]  