Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:2/4
K:D
['Ad Bd/B/ AD', 'ee/d/ cA']  
X:1
L:1/8
M:2/4
K:D
|: Ad Bd/B/ | AD FD | GE BE | AA/G/ FD | Ad Bd/B/ | AD FA |1 GE ee/f/ | ed dd/B/ :|2 GE A>G | 
 FD DA |: Dd fd | gg/f/ ed | c/B/A eA | ee/d/ cA | Df fe/f/ | gf ee/d/ | cA Bc | dA dd/B/ :|  