+in that voice, the tie appears to cross voices. To prevent the blanked stem's
+flag from interfering with tie positioning, the stem is extended.
+"
+ doctitle = "Making an object invisible with the transparent property"
+} % begin verbatim
+
+\relative c'' {
+ \time 2/4
+ << {
+ \once \override Stem #'transparent = ##t
+ \once \override Stem #'length = #8
+ b8 ~ b\noBeam