diff --git a/LICENSE b/LICENSE
index 1abebab..f0000b4 100644
--- a/LICENSE
+++ b/LICENSE
@@ -23,6 +23,14 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+Licenses of media (sounds)
+--------------------------
+
+Lone_Wolf (CC0):
+  i3_tab.ogg
+  i3_craft.ogg
+  i3_click.ogg
+  i3_cannot.ogg
 
 Licenses of media (textures)
 ----------------------------
diff --git a/sounds/i3_cannot.ogg b/sounds/i3_cannot.ogg
index 8f97186..eb9d2cc 100644
Binary files a/sounds/i3_cannot.ogg and b/sounds/i3_cannot.ogg differ
diff --git a/sounds/i3_click.ogg b/sounds/i3_click.ogg
index 2983f59..ca602d2 100644
Binary files a/sounds/i3_click.ogg and b/sounds/i3_click.ogg differ
diff --git a/sounds/i3_craft.ogg b/sounds/i3_craft.ogg
index bdaa95e..1f09c33 100644
Binary files a/sounds/i3_craft.ogg and b/sounds/i3_craft.ogg differ
diff --git a/sounds/i3_tab.ogg b/sounds/i3_tab.ogg
index 1ed4380..97ec1f0 100644
Binary files a/sounds/i3_tab.ogg and b/sounds/i3_tab.ogg differ