Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:2/4
K:D
['D>EF>G A2 A2 B2 g>e dcTBA d2', 'z2 G/ F>EF>d |{G} F2 ED E>DEF']  
X:1
L:1/8
M:2/4
K:D
|: D>EF>G | A2 A2 | B2 g>e | dcTBA | d2 (dc) | TcBTBA | A2 z2 :: G/ | F>EF>d |{G} F2 ED | E>DEF | 
 G2 G>B | BAFA | AGFE | D3 z/ :|  