diff --git a/assets/audio/flute/a4.mp3 b/assets/audio/flute/a4.mp3
new file mode 100644
index 0000000..3c9c67a
Binary files /dev/null and b/assets/audio/flute/a4.mp3 differ
diff --git a/assets/audio/flute/a5.mp3 b/assets/audio/flute/a5.mp3
new file mode 100644
index 0000000..9f5a47a
Binary files /dev/null and b/assets/audio/flute/a5.mp3 differ
diff --git a/assets/audio/flute/a6.mp3 b/assets/audio/flute/a6.mp3
new file mode 100644
index 0000000..e5c3bb1
Binary files /dev/null and b/assets/audio/flute/a6.mp3 differ
diff --git a/assets/audio/flute/ds4.mp3 b/assets/audio/flute/ds4.mp3
new file mode 100644
index 0000000..232f0ce
Binary files /dev/null and b/assets/audio/flute/ds4.mp3 differ
diff --git a/assets/audio/flute/ds5.mp3 b/assets/audio/flute/ds5.mp3
new file mode 100644
index 0000000..72272b0
Binary files /dev/null and b/assets/audio/flute/ds5.mp3 differ
diff --git a/assets/audio/flute/ds6.mp3 b/assets/audio/flute/ds6.mp3
new file mode 100644
index 0000000..299f832
Binary files /dev/null and b/assets/audio/flute/ds6.mp3 differ
diff --git a/assets/audio/horn/a3.mp3 b/assets/audio/horn/a3.mp3
new file mode 100644
index 0000000..e7b97df
Binary files /dev/null and b/assets/audio/horn/a3.mp3 differ
diff --git a/assets/audio/horn/a4.mp3 b/assets/audio/horn/a4.mp3
new file mode 100644
index 0000000..b1e35be
Binary files /dev/null and b/assets/audio/horn/a4.mp3 differ
diff --git a/assets/audio/horn/a5.mp3 b/assets/audio/horn/a5.mp3
new file mode 100644
index 0000000..0ba9423
Binary files /dev/null and b/assets/audio/horn/a5.mp3 differ
diff --git a/assets/audio/horn/ds3.mp3 b/assets/audio/horn/ds3.mp3
new file mode 100644
index 0000000..8634c49
Binary files /dev/null and b/assets/audio/horn/ds3.mp3 differ
diff --git a/assets/audio/horn/ds4.mp3 b/assets/audio/horn/ds4.mp3
new file mode 100644
index 0000000..22d24e7
Binary files /dev/null and b/assets/audio/horn/ds4.mp3 differ
diff --git a/assets/audio/horn/ds5.mp3 b/assets/audio/horn/ds5.mp3
new file mode 100644
index 0000000..ffba39a
Binary files /dev/null and b/assets/audio/horn/ds5.mp3 differ
diff --git a/index.html b/index.html
index 2b54ea5..735cc44 100644
--- a/index.html
+++ b/index.html
@@ -110,21 +110,8 @@ <h1 class="text-5xl font-pressstart2p p-5">play notes</h1>
 
     <div>
         instrument: <select name="instrument selection" id="instrument-selection" class="p-3 m-1 rounded-lg border-2 border-white bg-black">
-            <option value="0">Piano (Sampler)</option>
-            <option value="1">E-Guitar (Sampler)</option>
-            <option value="2">Music Box (Sampler)</option>
-            <option value="3">Synth</option>
-            <option value="4">Duo Synth</option>
-            <option value="5">FM Synth</option>
-            <option value="6">AM Synth</option>
         </select>
         effect (experimental): <select name="effect selection" id="effect-selection" class="p-3 m-1 rounded-lg border-2 border-white bg-black">
-            <option value=0>no effect</option>
-            <option value="1">distortion</option>
-            <option value="2">wah (wet)</option>
-            <option value="3">bit crusher</option>
-            <option value="4">weird reverb</option>
-            <option value="5">secret fifth option (currently empty)</option>
         </select>
         <input type="range" id="effect-level-control" min="0" max="100" value="50">
 
diff --git a/main.js b/main.js
index 7e5c2fd..b69c8ce 100644
--- a/main.js
+++ b/main.js
@@ -409,13 +409,72 @@ document.addEventListener("DOMContentLoaded", () => {
                 console.log("musicbox samples loaded");
             }, 
         }), // 2 musicbox sampler
-        new Tone.PolySynth(Tone.Synth), // 3
-        new Tone.PolySynth(Tone.DuoSynth), // 4
-        new Tone.PolySynth(Tone.FMSynth), // 5
-        new Tone.PolySynth(Tone.AMSynth), // 6
+        new Tone.Sampler({ 
+            urls: {
+                "A4": "a4.mp3",
+                "A5": "a5.mp3",
+                "A6": "a6.mp3",
+                "D#4": "ds4.mp3",
+                "D#5": "ds5.mp3",
+                "D#6": "ds6.mp3",
+            },
+            baseUrl: "./assets/audio/flute/",
+            onload: () => {
+                console.log("flute samples loaded");
+            }, 
+        }), // 3 flute sampler
+        new Tone.Sampler({ 
+            urls: {
+                "A3": "a3.mp3",
+                "A4": "a4.mp3",
+                "A5": "a5.mp3",
+                "D#3": "ds3.mp3",
+                "D#4": "ds4.mp3",
+                "D#5": "ds5.mp3",
+            },
+            baseUrl: "./assets/audio/horn/",
+            onload: () => {
+                console.log("horn samples loaded");
+            }, 
+        }), // 3 flute sampler
+        new Tone.PolySynth(Tone.Synth), // 4
+        new Tone.PolySynth(Tone.DuoSynth), // 5
+        new Tone.PolySynth(Tone.FMSynth), // 6
+        new Tone.PolySynth(Tone.AMSynth), // 7
  
         // todo: explore & add more
     ];
+
+    const instrumentNames = [
+        "Piano (Sampler)",
+        "E-Guitar (Sampler)",
+        "Music Box (Sampler)",
+        "Flute (Sampler)",
+        "Horn (Sampler)",
+        "Synth",
+        "Duo Synth",
+        "FM Synth",
+        "AM Synth"
+    ]
+
+    // dynamically update select elements
+    for (var i = 0; i < instrumentNames.length; i++) {
+        instrumentSelection.appendChild(
+            Object.assign(
+                document.createElement("option"),
+                { value: i, innerHTML: instrumentNames[i] }
+            )
+        );
+    }
+
+    for (var i = 0; i < effectNodes.length; i++) {
+        effectSelection.appendChild(
+            Object.assign(
+                document.createElement("option"),
+                { value: i, innerHTML: effectNodes[i] != null ? effectNodes[i].name : "None" }
+            )
+        )
+    }
   
     // effectNodes[4].dampening = 5000; // or 1000 if you want a rough sound