Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:4/4
K:C
['e2 A', 'g2 e'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] cea a A da ueS .ee e Abg Tuea!p! f e g_ABC fe[Q:1/8=160]"^A modal" .g/f/ | e2 A ABA | 
 e2 A Bcd | e2 A ABA | dBG Bcd | e2 A g2 A | e2 A Bcd | ede g2 e | dBG GB :| d | g3 faf | 
 g2 e dBd | g3 f2 e | dBG GBd | g2 e a2 f | g2 e dBd | gfg f2 e | dBG GB :|  