Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/4=160
M:2/2
K:D
['d2 d2', 'e2 e2', 'dAFA fdAd fdAd fefg fdAd a2 a2', 'f2 e2']  
X:1
L:1/8
Q:1/4=160
M:2/2
K:D
 (A/B/c) | d2 d2 d2 d2 | dcde dede | f2 f2"^m" f2 f2 | fefg fgfg | a2 a2 a2 (ba) | g2 g2 g2 ag | 
 f2 ed g2 f2 |{f} e6 || cd | e2 e2 e2 f2 |"^*2" edcB A2 (7:2:7A/B/c/d/e/f/g/ | a2 a2 a2 b2 | 
 agfe d2 (ag) | f2 e2 d2 ag | (3(fgf) (3(efe) d2 (ag) | fgab f2 e2 | d4 ||"^Variations" (A/B/c) | 
 dAFA dAFA | dcde dAFA | fdAd fdAd | fefg fdAd | a2 a2 aAAa | g2 g2 gAAg | f2 ed fagf |{f} e6 || 
 ef | edcB edcB | cBA^G A2 ef | aAAa gAAg | f2 e2 d2 ag | (3(fgf) (3(efe) d2 AG | 
 (3(FGF) (3(EFE) D2 ag | fgab f2 e2 | d6 |]  