Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/4=190
M:6/8
K:D
['dBB B2', 'faa fef def'  
X:1
L:1/8
Q:1/4=190
M:6/8
K:D
 FAA dAA | BAB dAG | FAA dfe | dBB B2 A | FAA dAA | BAB def | gfe dfe |1 dBB B2 A :|2 dBB B2 |: e | 
 fbb faa | fef def | fbb faa | fed e2 e | fbb faa | fef def | gfe dfe | dBB B2 :|  