Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/8=120
M:4/4
K:D
['d2 d>d', 'd2 d>d', 'fAdA GAcA eAcA FAdA fAdA B2 B>B'  
X:1
L:1/8
Q:1/8=120
M:4/4
K:D
 (3ABc | d2 d>d dAFD | A2 A>B A2 FG | A2 FA BAGF | E2 A>B A2 Bc |"^5" d2 d>d dAFD | A2 A>A A2 FG | 
 (3AFD (3BGE d2 c2 | d2 d>d d2 :| EF |"^9" G2 G>G GBAG | GFF>F F2 (3ABc | dcBA GFED | 
 A2 A>B A2 (3ABc |"^13" d2 d>d dAFD | A2 A>A A2 FG | (3AFD (3BGE d2 c2 | d2 d>d d2 :| EF | 
"^17" GAcA eAcA | FAdA fAdA | GAcA eAcA | FAdA fAdA |"^21" B2 B>B Bd/c/ e/d/c/B/ | A2 A>B A2 g2 | 
 f2 (3age d2 c2 |1 e2 d>d d2 :|2 e2 d>d !fermata!d4 |]  