Develop a musical composition based on the outlined framework and thematic material.
X:1
L:1/8
M:2/2
K:D
['GA B2'  
X:1
L:1/8
M:2/2
K:D
 (3efg |"A" age<c"D" d2 A2 |"A" age<c"D" d2 (3efg |"A" age<c"D" d2 A2 |1"G" Bdc<B"A" A2 :|2 
"G" Bd"A" c<B A4 |:"G" GA B2 GA B2 | Bdc<B"D" A4 |"G" GA B2 GA B2 |"A" edc<B"D" A4 :: 
"G" [GB]2 BG A B2 G | [GB]2 BG A G2 A | [GB]2 BG A B2 G |"Em" EDEG"D" D4 :|  