diff --git a/huekbd.sh b/huekbd.sh
index f09ad67..58141d6 100755
--- a/huekbd.sh
+++ b/huekbd.sh
@@ -1,9 +1,21 @@
 #!/bin/bash
 
+instrumenti=("sine" "square" "triangle" "sawtooth" "trapezium" "exp" "noise" "tpdfnoise" "pinknoise" "brownnoise" "pluck")
+
+trenutni_instrument=0
+
 while [ true ]; do
   read -n 1 tipka
   echo "tipka: $tipka"
+
+  # Naslednji instrument ?
+  if [ $tipka = "1" ]; then
+    trenutni_instrument=$(perl -e "$trenutni_instrument + 1 % ${#instrumenti[@]}")
+  fi
+
+  echo "instrument: $trenutni_instrument (${instrumenti[$trenutni_instrument]})"
+
   koda=$(perl -e "print ord(\"$tipka\") * 10")
-  play -n synth 4 pluck $koda &
+  play -n synth 1 ${instrumenti[$trenutni_instrument]} $koda &
   echo "koda: $koda"
 done