Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/4
Q:1/4=220
M:2/2
K:D
['A d B d A3/2 F/ G', 'A/B/d/e/ f3/2 d/ e d B d']  
X:1
L:1/4
Q:1/4=220
M:2/2
K:D
"^polka" F A A d | B d A3/2 F/ | G B A F/A/ | B E G/F/E/F/ | D F A d | B d A3/2 F/ | G B A/B/A/G/ | 
 F D D z :| F A A/B/d/e/ | f3/2 d/ e d | B d A F/A/ | B E G/F/E/F/ | D F A/B/d/e/ | f3/2 d/ e d | 
 B d A/B/A/G/ | F D D z :|  