diff --git a/locaudio/db.py b/locaudio/db.py
index 6383385..53eb5a4 100644
--- a/locaudio/db.py
+++ b/locaudio/db.py
@@ -32,6 +32,7 @@
 SAMPLE_R_REF = 1
 SAMPLE_L_REF = 65
 SAMPLE_NAME = "Cock"
+SAMPLE_CLASS = "Chicken"
 
 
 # Table Names
@@ -42,6 +43,10 @@
 FINGERPRINT_PRIMARY_KEY = "name"
 
 
+# Secondary Keys
+FINGERPRINT_SECONDARY_KEY = "class"
+
+
 def create(conn):
     """
 
@@ -59,6 +64,10 @@ def create(conn):
         primary_key=FINGERPRINT_PRIMARY_KEY
     ).run(conn)
 
+    r.db(DB).table(FINGERPRINT_TABLE).index_create(
+        FINGERPRINT_SECONDARY_KEY
+    ).run(conn)
+
 
 def init():
     """
@@ -73,7 +82,13 @@ def init():
     if not DB in r.db_list().run(conn):
         create(conn)
         f_print = fingerprint.get_fingerprint(SAMPLE_PATH)
-        insert_reference(SAMPLE_NAME, f_print, SAMPLE_R_REF, SAMPLE_L_REF)
+        insert_reference(
+            SAMPLE_NAME,
+            f_print,
+            SAMPLE_R_REF,
+            SAMPLE_L_REF,
+            SAMPLE_CLASS
+        )
         return True
     else:
         return False
@@ -144,7 +159,7 @@ def get_list_of_names():
     return list(names)
 
 
-def insert_reference(name, f_ref, r_ref, l_ref):
+def insert_reference(name, f_ref, r_ref, l_ref, class_ref):
     """
 
     Inserts a reference into the database
@@ -166,7 +181,8 @@ def insert_reference(name, f_ref, r_ref, l_ref):
             "name": name,
             "fingerprint": f_ref,
             "distance": r_ref,
-            "spl": l_ref
+            "spl": l_ref,
+            "class": class_ref
         }
     ).run(conn)
 
diff --git a/locaudio/detectionserver.py b/locaudio/detectionserver.py
index 4c1842d..430aa1f 100644
--- a/locaudio/detectionserver.py
+++ b/locaudio/detectionserver.py
@@ -189,7 +189,8 @@ def get_post_upload():
             request.form["sound_name"],
             fingerprint.get_fingerprint(file_path),
             float(request.form["r_ref"]),
-            float(request.form["l_ref"])
+            float(request.form["l_ref"]),
+            request.form["class"]
         )
     return render_template("upload.html")
 
diff --git a/locaudio/localization.py b/locaudio/localization.py
index f2be068..7d0e95b 100644
--- a/locaudio/localization.py
+++ b/locaudio/localization.py
@@ -21,7 +21,6 @@
 
 from point import Point
 from location import Location
-from functools import partial
 from collections import namedtuple
 
 import math
diff --git a/locaudio/templates/upload.html b/locaudio/templates/upload.html
index 47723cf..24b83d0 100644
--- a/locaudio/templates/upload.html
+++ b/locaudio/templates/upload.html
@@ -53,6 +53,10 @@ <h2 class="brand">Upload</h2>
                             <td>Sound name:</td>
                             <td><input type="text" name="sound_name"/></td>
                         </tr>
+                        <tr>
+                            <td>Sound class:</td>
+                            <td><input type="text" name="class"></td>
+                        </tr>
                         <tr>
                             <td>Reference distance:</td>
                             <td><input type="text" name="r_ref"></td>