Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:2/2
K:D
['edBA (3Bcd ef geag fAdf edge', 'faaf dAde faaf g3'  
X:1
L:1/8
M:2/2
K:D
 ag | fAdf edBA | (3Bcd ef geag | fAdf edge | dBAG FAdA | defd edBA | (3Bcd ef geag | fAdf edge | 
 dBAG FAde || faaf dAde | faaf g3 e | f2 ab afdf | gfed B2 A2 | faaf dAde | faaf g3 a | bgaf gfed | 
 (3Bcd ef ge |]  