diff --git a/app/src/main/java/com/lukas/music/instruments/Instrument.kt b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
index b1f68ad..b8ef1bc 100644
--- a/app/src/main/java/com/lukas/music/instruments/Instrument.kt
+++ b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
@@ -25,10 +25,6 @@
     abstract fun stopNote(note: Note)
 
     companion object {
-        val instruments =
-            mutableListOf<Instrument>(
-                MonoInstrument("Bass"),
-                PolyInstrument("Chords"),
-            )
+        val instruments = mutableListOf<Instrument>()
     }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/lukas/music/instruments/Instrument.kt b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
index b1f68ad..b8ef1bc 100644
--- a/app/src/main/java/com/lukas/music/instruments/Instrument.kt
+++ b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
@@ -25,10 +25,6 @@
     abstract fun stopNote(note: Note)
 
     companion object {
-        val instruments =
-            mutableListOf<Instrument>(
-                MonoInstrument("Bass"),
-                PolyInstrument("Chords"),
-            )
+        val instruments = mutableListOf<Instrument>()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt b/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
index 30ae23b..1b37037 100644
--- a/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
+++ b/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
@@ -10,13 +10,18 @@
 
 package com.lukas.music.ui.fragments
 
+import android.app.AlertDialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.lukas.music.databinding.FragmentInstrumentListBinding
+import com.lukas.music.instruments.Instrument
+import com.lukas.music.instruments.MonoInstrument
+import com.lukas.music.instruments.PolyInstrument
 import com.lukas.music.ui.adapters.InstrumentAdapter
 
 class InstrumentListFragment : Fragment() {
@@ -29,6 +34,23 @@
         binding = FragmentInstrumentListBinding.inflate(inflater)
         binding.recyclerView.adapter = InstrumentAdapter(this)
         binding.recyclerView.layoutManager = LinearLayoutManager(context)
+        binding.addInstrumentButton.setOnClickListener {
+            val builder = AlertDialog.Builder(binding.root.context)
+            builder.setTitle("Instrument type:")
+                .setItems(
+                    arrayOf("mono", "poly")
+                ) { _, index ->
+                    when (index) {
+                        0 -> Instrument.instruments += MonoInstrument("New mono Instrument")
+                        1 -> Instrument.instruments += PolyInstrument("New poly Instrument")
+                    }
+                    (binding.recyclerView.adapter as RecyclerView.Adapter).notifyItemInserted(
+                        Instrument.instruments.size - 1
+                    )
+                }
+            builder.create()
+            builder.show()
+        }
         return binding.root
     }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/lukas/music/instruments/Instrument.kt b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
index b1f68ad..b8ef1bc 100644
--- a/app/src/main/java/com/lukas/music/instruments/Instrument.kt
+++ b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
@@ -25,10 +25,6 @@
     abstract fun stopNote(note: Note)
 
     companion object {
-        val instruments =
-            mutableListOf<Instrument>(
-                MonoInstrument("Bass"),
-                PolyInstrument("Chords"),
-            )
+        val instruments = mutableListOf<Instrument>()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt b/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
index 30ae23b..1b37037 100644
--- a/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
+++ b/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
@@ -10,13 +10,18 @@
 
 package com.lukas.music.ui.fragments
 
+import android.app.AlertDialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.lukas.music.databinding.FragmentInstrumentListBinding
+import com.lukas.music.instruments.Instrument
+import com.lukas.music.instruments.MonoInstrument
+import com.lukas.music.instruments.PolyInstrument
 import com.lukas.music.ui.adapters.InstrumentAdapter
 
 class InstrumentListFragment : Fragment() {
@@ -29,6 +34,23 @@
         binding = FragmentInstrumentListBinding.inflate(inflater)
         binding.recyclerView.adapter = InstrumentAdapter(this)
         binding.recyclerView.layoutManager = LinearLayoutManager(context)
+        binding.addInstrumentButton.setOnClickListener {
+            val builder = AlertDialog.Builder(binding.root.context)
+            builder.setTitle("Instrument type:")
+                .setItems(
+                    arrayOf("mono", "poly")
+                ) { _, index ->
+                    when (index) {
+                        0 -> Instrument.instruments += MonoInstrument("New mono Instrument")
+                        1 -> Instrument.instruments += PolyInstrument("New poly Instrument")
+                    }
+                    (binding.recyclerView.adapter as RecyclerView.Adapter).notifyItemInserted(
+                        Instrument.instruments.size - 1
+                    )
+                }
+            builder.create()
+            builder.show()
+        }
         return binding.root
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_instrument_list.xml b/app/src/main/res/layout/fragment_instrument_list.xml
index 2b1bda3..ddc5b6a 100644
--- a/app/src/main/res/layout/fragment_instrument_list.xml
+++ b/app/src/main/res/layout/fragment_instrument_list.xml
@@ -33,13 +33,13 @@
         app:layout_constraintVertical_bias="0.0" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/floatingActionButton"
+        android:id="@+id/addInstrumentButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginEnd="20dp"
         android:layout_marginBottom="20dp"
         android:clickable="true"
-        android:contentDescription="add a new instrument"
+        android:contentDescription="@string/add_instrument"
         android:src="@android:drawable/ic_input_add"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent" />

diff --git a/app/src/main/java/com/lukas/music/instruments/Instrument.kt b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
index b1f68ad..b8ef1bc 100644
--- a/app/src/main/java/com/lukas/music/instruments/Instrument.kt
+++ b/app/src/main/java/com/lukas/music/instruments/Instrument.kt
@@ -25,10 +25,6 @@
     abstract fun stopNote(note: Note)
 
     companion object {
-        val instruments =
-            mutableListOf<Instrument>(
-                MonoInstrument("Bass"),
-                PolyInstrument("Chords"),
-            )
+        val instruments = mutableListOf<Instrument>()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt b/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
index 30ae23b..1b37037 100644
--- a/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
+++ b/app/src/main/java/com/lukas/music/ui/fragments/InstrumentListFragment.kt
@@ -10,13 +10,18 @@
 
 package com.lukas.music.ui.fragments
 
+import android.app.AlertDialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.lukas.music.databinding.FragmentInstrumentListBinding
+import com.lukas.music.instruments.Instrument
+import com.lukas.music.instruments.MonoInstrument
+import com.lukas.music.instruments.PolyInstrument
 import com.lukas.music.ui.adapters.InstrumentAdapter
 
 class InstrumentListFragment : Fragment() {
@@ -29,6 +34,23 @@
         binding = FragmentInstrumentListBinding.inflate(inflater)
         binding.recyclerView.adapter = InstrumentAdapter(this)
         binding.recyclerView.layoutManager = LinearLayoutManager(context)
+        binding.addInstrumentButton.setOnClickListener {
+            val builder = AlertDialog.Builder(binding.root.context)
+            builder.setTitle("Instrument type:")
+                .setItems(
+                    arrayOf("mono", "poly")
+                ) { _, index ->
+                    when (index) {
+                        0 -> Instrument.instruments += MonoInstrument("New mono Instrument")
+                        1 -> Instrument.instruments += PolyInstrument("New poly Instrument")
+                    }
+                    (binding.recyclerView.adapter as RecyclerView.Adapter).notifyItemInserted(
+                        Instrument.instruments.size - 1
+                    )
+                }
+            builder.create()
+            builder.show()
+        }
         return binding.root
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_instrument_list.xml b/app/src/main/res/layout/fragment_instrument_list.xml
index 2b1bda3..ddc5b6a 100644
--- a/app/src/main/res/layout/fragment_instrument_list.xml
+++ b/app/src/main/res/layout/fragment_instrument_list.xml
@@ -33,13 +33,13 @@
         app:layout_constraintVertical_bias="0.0" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/floatingActionButton"
+        android:id="@+id/addInstrumentButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginEnd="20dp"
         android:layout_marginBottom="20dp"
         android:clickable="true"
-        android:contentDescription="add a new instrument"
+        android:contentDescription="@string/add_instrument"
         android:src="@android:drawable/ic_input_add"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent" />
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 39ade0d..8073634 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -39,4 +39,5 @@
     <string name="close">close this menu</string>
     <string name="waveform">Waveform:</string>
     <string name="voice">Voice:</string>
+    <string name="add_instrument">Add a new instrument</string>
 </resources>
\ No newline at end of file