Compose a suitable series of chord progressions that complement the provided musical composition.
|:"^A" A | f f f e | d d d c/d/ | e d c d | B2 B c/d/ | e/e/e/e/ e d | c/c/c/c/ c B | 
 A g f e |1 f3 :|2 d3 |:"^B" F/G/ | A/B/A/F/ D F/G/ | A/B/A/F/ D F/G/ | A d c d | 
 E2 z E/F/ | G/F/E/D/ C E/F/ | G/F/E/D/ C E/F/ |1 G B A G | F2 z :|2 
 G B A C | D2 z |]  
X:1
L:1/4
Q:1/2=120
M:4/4
K:D
|:"^A" 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 |:"^B" 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"Em" G B"A" A G |"D" F2 z :|2 
"Em" G B"A" A C |"D" D2 z |]  