diff --git a/sound/machines/hall3c.ogg b/sound/machines/hall3c.ogg new file mode 100644 index 0000000000..2dba50dee0 Binary files /dev/null and b/sound/machines/hall3c.ogg differ diff --git a/sound/machines/hall3o.ogg b/sound/machines/hall3o.ogg new file mode 100644 index 0000000000..47a7102ec0 Binary files /dev/null and b/sound/machines/hall3o.ogg differ