diff --git a/new-process.py b/new-process.py
index e9f8fe6..8439707 100755
--- a/new-process.py
+++ b/new-process.py
@@ -263,6 +263,9 @@ def get_freq(song_name, offset, step, songlen, data):
     if(True):
         plt.plot([t/1000 for t in range(len(data))], frequencies)
         plt.grid()
+        plt.xlabel("Time (s)")
+        plt.ylabel("Dominant frequency (Hz)")
+        plt.title("Dominant frequencies at peaks")
         plt.show()
 
     return frequencies
diff --git a/tetris_4.wav b/tetris_4.wav
new file mode 100755
index 0000000..2cf6bae
Binary files /dev/null and b/tetris_4.wav differ