diff --git a/front/Navigation.tsx b/front/Navigation.tsx
index 71efac4..0869719 100644
--- a/front/Navigation.tsx
+++ b/front/Navigation.tsx
@@ -16,6 +16,7 @@ import { Center } from 'native-base';
 import LoadingComponent from './components/Loading';
 import ProfileView from './views/ProfileView';
 import useColorScheme from './hooks/colorScheme';
+import VirtualPiano from './components/VirtualPiano/VirtualPiano';
 
 const Stack = createNativeStackNavigator();
 
@@ -41,6 +42,8 @@ export const Router = () => {
 	});
 	const colorScheme = useColorScheme();
 
+	return <VirtualPiano />
+
 	return (
 		<NavigationContainer theme={colorScheme == 'light'
 			? DefaultTheme
diff --git a/front/components/VirtualPiano/Octave.tsx b/front/components/VirtualPiano/Octave.tsx
index 27fe11b..43c22a6 100644
--- a/front/components/VirtualPiano/Octave.tsx
+++ b/front/components/VirtualPiano/Octave.tsx
@@ -1,12 +1,34 @@
-import { Note } from "./VirtualPiano";
+import {
+	Note,
+	PianoKey,
+	NoteNameBehavior,
+	octaveKeys,
+	Accidental,
+} from "../../models/Piano";
 import { Box, Row, Pressable } from "native-base";
 
+const notesList: Array<Note> = ["C", "D", "E", "F", "G", "A", "B"];
+const accidentalsList: Array<Accidental> = ["#", "b", "##", "bb"];
+
+const getKeyIndex = (k: PianoKey, keys: PianoKey[]) => {
+	for (let i = 0; i < keys.length; i++) {
+		if (
+			keys[i]?.note === k.note &&
+			((keys[i]?.accidental && keys[i]?.accidental === k.accidental) ||
+				(!keys[i]?.accidental && !k.accidental))
+		) {
+			return i;
+		}
+	}
+	return -1;
+};
+
 type OctaveProps = {
 	number: number;
-	startNote: Note;
-	endNote: Note;
-	onNoteDown: (note: Note) => void;
-	onNoteUp: (note: Note) => void;
+	startNote: PianoKey;
+	endNote: PianoKey;
+	onNoteDown: (note: PianoKey) => void;
+	onNoteUp: (note: PianoKey) => void;
 };
 
 const Octave = ({
@@ -16,28 +38,31 @@ const Octave = ({
 	onNoteDown,
 	onNoteUp,
 }: OctaveProps) => {
-	const notesList: Array<Note> = ["C", "D", "E", "F", "G", "A", "B"];
-	const startNoteIndex = notesList.indexOf(startNote);
-	const endNoteIndex = notesList.indexOf(endNote);
-	const whiteKeys = notesList.slice(startNoteIndex, endNoteIndex + 1);
+	const oK: PianoKey[] = octaveKeys.map((k) => {
+		return { ...k, number: number };
+	});
+
+	const startNoteIndex = getKeyIndex(startNote, oK);
+	const endNoteIndex = getKeyIndex(endNote, oK);
+	const keys = oK.slice(startNoteIndex, endNoteIndex + 1);
 
 	return (
 		<Row>
-			{whiteKeys.map((note) => {
+			{keys.map((key, i) => {
 				return (
 					<Pressable
-						onPressIn={() => onNoteDown(note + number)}
-						onPressOut={() => onNoteUp(note + number)}
+						onPressIn={() => onNoteDown(key)}
+						onPressOut={() => onNoteUp(key)}
 					>
 						<Box
-							key={note}
+							key={i}
 							bg="white"
 							w="50px"
 							h="200px"
 							borderWidth="1px"
 							borderColor="black"
 						>
-							{note}
+							{key.toString()}
 						</Box>
 					</Pressable>
 				);
diff --git a/front/components/VirtualPiano/VirtualPiano.tsx b/front/components/VirtualPiano/VirtualPiano.tsx
index 37ecf30..93922f2 100644
--- a/front/components/VirtualPiano/VirtualPiano.tsx
+++ b/front/components/VirtualPiano/VirtualPiano.tsx
@@ -1,30 +1,19 @@
 import { Row, Box } from "native-base";
 import React, { useState, useEffect } from "react";
 import Octave from "./Octave";
-
-export type Note = "C" | "D" | "E" | "F" | "G" | "A" | "B";
-export type Accidental = "#" | "b" | "##" | "bb";
-
-export type NoteValue = {
-	note: Note;
-	accidental?: Accidental;
-	octave?: number;
-};
-
-export type NoteNameBehavior = "always" | "onpress" | "onhighlight" | "never";
-export type KeyPressStyle = "subtle" | "vivid";
+import { Note, PianoKey, NoteNameBehavior, KeyPressStyle, octaveKeys } from "../../models/Piano";
 
 type VirtualPianoProps = Parameters<typeof Row>[0] & {
-	onNoteDown: (note: Note) => void;
-	onNoteUp: (note: Note) => void;
+	onNoteDown: (note: PianoKey) => void;
+	onNoteUp: (note: PianoKey) => void;
 	startOctave: number;
-	startNote: Note;
+	startNote: PianoKey;
 	endOctave: number;
-	endNote: Note;
+	endNote: PianoKey;
 	showNoteNames: NoteNameBehavior; // default "onpress"
-	highlightedNotes: Array<NoteValue | string>;
+	highlightedNotes: Array<PianoKey | string>;
 	highlightColor: string;
-	specialHighlightedNotes: Array<NoteValue | string>;
+	specialHighlightedNotes: Array<PianoKey | string>;
 	specialHighlightColor: string;
 	showOctaveNumbers: boolean;
 	keyPressStyle: KeyPressStyle;
@@ -47,20 +36,12 @@ const VirtualPiano = ({
     keyPressStyle,
     vividKeyPressColor,
 }: VirtualPianoProps) => {
-	const notesList: Array<Note> = ["C", "D", "E", "F", "G", "A", "B"];
-    const nbOctaves = endOctave - startOctave;
-	const nbWhiteKeys =
-		notesList.length * (endOctave - startOctave) -
-		notesList.indexOf(startNote) -
-		(notesList.length - notesList.indexOf(endNote) + 1);
     const octaveList = [];
 
     for (let octaveNum = startOctave; octaveNum <= endOctave; octaveNum++) {
         octaveList.push(octaveNum);
     };
 
-
-
 	return (
 		<Row>
             {octaveList.map((octaveNum) => {
@@ -68,8 +49,8 @@ const VirtualPiano = ({
                     <Octave
                         key={octaveNum}
                         number={octaveNum}
-                        startNote={octaveNum == startOctave ? startNote : notesList[0]}
-                        endNote={octaveNum == endOctave ? endNote : notesList[notesList.length - 1]}
+                        startNote={octaveNum == startOctave ? startNote : octaveKeys[0]}
+                        endNote={octaveNum == endOctave ? endNote : octaveKeys[octaveKeys.length - 1]}
                         onNoteDown={onNoteDown}
                         onNoteUp={onNoteUp}
                     />
@@ -87,9 +68,9 @@ VirtualPiano.defaultProps = {
         console.log("Note up: " + n);
     },
 	startOctave: 2,
-	startNote: "C",
+	startNote: new PianoKey("C"),
 	endOctave: 6,
-	endNote: "C",
+	endNote: new PianoKey("C"),
 	showNoteNames: "onpress",
 	highlightedNotes: [],
 	highlightColor: "red",
diff --git a/front/models/Piano.ts b/front/models/Piano.ts
new file mode 100644
index 0000000..cfafb26
--- /dev/null
+++ b/front/models/Piano.ts
@@ -0,0 +1,38 @@
+
+
+export type Note = "C" | "D" | "E" | "F" | "G" | "A" | "B";
+export type Accidental = "#" | "b" | "##" | "bb";
+
+export type NoteNameBehavior = "always" | "onpress" | "onhighlight" | "never";
+export type KeyPressStyle = "subtle" | "vivid";
+
+export class PianoKey {
+    public note: Note;
+    public accidental?: Accidental;
+    public octave?: number;
+
+    constructor(note: Note, accidental?: Accidental, octave?: number) {
+        this.note = note;
+        this.accidental = accidental;
+        this.octave = octave;
+    };
+
+    public toString = () => {
+        return this.note + (this.accidental || "") + (this.octave || "");
+    }
+};
+
+export const octaveKeys: Array<PianoKey> = [
+    new PianoKey("C", undefined),
+    new PianoKey("C", "#"),
+    new PianoKey("D", undefined),
+    new PianoKey("D", "#"),
+    new PianoKey("E", undefined),
+    new PianoKey("F", undefined),
+    new PianoKey("F", "#"),
+    new PianoKey("G", undefined),
+    new PianoKey("G", "#"),
+    new PianoKey("A", undefined),
+    new PianoKey("A", "#"),
+    new PianoKey("B", undefined),
+];
\ No newline at end of file