diff --git a/demos/opl/Sliding_on_a_Rainbow.fur b/demos/opl/Sliding_on_a_Rainbow.fur
new file mode 100644
index 000000000..934fda703
Binary files /dev/null and b/demos/opl/Sliding_on_a_Rainbow.fur differ
diff --git a/src/gui/about.cpp b/src/gui/about.cpp
index fa020b98a..3bdb3b284 100644
--- a/src/gui/about.cpp
+++ b/src/gui/about.cpp
@@ -85,6 +85,7 @@ const char* aboutLine[]={
   "Fragmare",
   "freq-mod",
   "gtr3qq",
+  "Hortus",
   "iyatemu",
   "JayBOB18",
   "Jimmy-DS",