Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:3/4
K:D
['F>G F D', 'C E2 F2 E2']  
X:1
L:1/8
M:3/4
K:D
 FG |"D" A2 d2 c2 |"A" G4 EF | G2 B2 A2 |"D" F4 FG |"D" F2 E2 F2 |"A" G2- GF GA | B2"A" G2 E2 | 
"D" D4 :| A,>D |"D" F>G F D | F>G F D | F2 G2 F2 |"A" E4 A,>C | E>F G C | E>F G C | E2 F2 E2 | 
"D" D4 :|  