Produce musical creations using the provided structural directives.
'Sectional: Through Composed'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
"_no key sig" defa efdA | BdAF E/E/E E2 | defa efdA | B/d/e/c/ AF D/D/D D2 :: D2 DF D/D/D AF | 
 E2 EB E/E/E BA | D2 DF defd | dBAF D/D/D D2 :: abaf abaf | ge be ge be | abaf abaf | 
 geaf d/d/d d2 :| z z z z z z z z z z z z z |"^First line as in MS" defa efdA | BdAF E/E/E E2 | 
 defa efdA | Bdec | AF D/D/D D2 :|  