Compose a piece following the specified musical structure in language.
'Sectional: Through Composed'  
X:1
L:1/8
M:4/4
K:Bmin
|: ABBA B2 AB | deed e2 de | fedf edBA :: cFFB FBFF | cFFF eFFB | FBFF cFFF :: z e ed BBAB | 
 deed z f ed | cded BAAA :: z c cF ABBA | Bcef z f BA | AFFF ABBA :|  