Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/4=120
M:3/4
K:G
['B2 B2', 'G4 FA d4 ^cd Adfd a2 (af).d.A(fd)', 'BzBzB z AzAzA z G3'  
X:1
L:1/8
Q:1/4=120
M:3/4
K:G
 B2 B2 B2 | BABc d2 | dc A4 | cB G4 | A2 A2 A2 | A^GAB c2 | F2 F2 FA | G4 :: FA | d4 ^cd | 
 Adfd a2 | (af).d.A(fd) | d^c c2 Ac | e3 fge | bagfed |{d} ^c2 A>ge>c | d4 :: d>c | BzBzB z | 
 AzAzA z | G3 ABG | A2 d3 c | BzBzB z | AzAzA z | G3 BAF | G4 :|  