Compose a tune following the outlined musical pattern.
Only One Section  
X:1
L:1/8
Q:1/4=90
M:4/4
K:D
"_VB" A | AFAB d2 g>f | edBA A2 cd | (e2 f).g (a2 g).f | e4- .e2 (ef) | (ge)fg (a2 g)f | 
 edBA A2 AB | d2 .gf edB>A | A4- .A2 ef | gefg a2 ba | gfed B2 AB | d2 gf edB>A | A4 A2 z |]  