Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:2/4
K:D
['D>E FG A3 A B>c dB']  
X:1
L:1/8
M:2/4
K:D
|:"D" D>E FG |"D" A3 A |"G" B>c dB |"A" A>G FE |"D" D>E FG |"D" A3 A |"G" B>c dB |"A" A4 :: 
"D" F>D FA |"A7" G>F EF |"A7" G>F GB |"D" A>G FA |"D" F>D FA |"A7" G>F EF |"A7" GA Bc |"D" d4 :|  