--- /dev/null
+\version "2.17.14"
+
+\header {
+ texidoc = "LilyPond creates hairpins found in Ferneyhough scores.
+"
+}
+
+\relative c'' {
+ \override Hairpin #'stencil = #flared-hairpin
+ a4\< a a a\f
+ a4\p\< a a a\ff
+ a4\sfz\< a a a\!
+ \override Hairpin #'stencil = #constante-hairpin
+ a4\< a a a\f
+ a4\p\< a a a\ff
+ a4\sfz\< a a a\!
+ \override Hairpin #'stencil = #flared-hairpin
+ a4\> a a a\f
+ a4\p\> a a a\ff
+ a4\sfz\> a a a\!
+ \override Hairpin #'stencil = #constante-hairpin
+ a4\> a a a\f
+ a4\p\> a a a\ff
+ a4\sfz\> a a a\!
+}
\ No newline at end of file