Compose your musical work while following the subsequent structure as a pattern.
'Sectional: Through Composed'  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:D] ud e a A(B)(C)A ue .ave ucued fe ad PMaccdg[Q:1/8=140] .AG | FA D2 D3 d | ce A2 A3 g | 
 fgab gfed | efed cBAG |"^5" FA D2 D3 d | ce A2 A3 g | fgab fedc | d4 d2 :| z A |"^9" d3 e dAFA | 
 BGFG BGFG | egba gfed | c2 A2 A2 GF | G2 b2 b3 [ac'] | F2 a2 a3 b | gfed fedc | d2 d2 d2 :| z e | 
"^17" f3 g faBd | gfge fdBc | dBfe dcB^A | B2 F2 F2 de |"^21" f3 g faBd | gfge fdBc | dBfe dcB^A |1 
 B2 B>B B2 :|2 Bdce dBAG |]"^return to Part A" FA D2 D3 d | ce A2 A3 g | fgab gfed | efed cBAG | 
"^5" FA D2 D3 d | ce A2 A3 g | fgab fedc | d4 !fermata!d4 |]  