diff --git a/src/TrackUnit.ts b/src/TrackUnit.ts
index 01c336b..e913dde 100644
--- a/src/TrackUnit.ts
+++ b/src/TrackUnit.ts
@@ -2,9 +2,10 @@ import {IPublisher, Publisher} from "./Publisher";
 import ISubscriber from "./Subscriber";
 
 export const enum TrackUnitType {
-    Normal="but-0",
-    GhostNote="but-1",
-    Accent="but-2",
+    Normal="tut-0",
+    GhostNote="tut-1",
+    Accent="tut-2",
+    GhostNoteAccent="tut-3",
 }
 
 export const enum TrackUnitEvent {
@@ -20,6 +21,7 @@ export default class TrackUnit implements IPublisher<TrackUnitEvent> {
         TrackUnitType.Normal,
         TrackUnitType.GhostNote,
         TrackUnitType.Accent,
+        TrackUnitType.GhostNoteAccent,
     ] as const;
     private publisher: Publisher<TrackUnitEvent, TrackUnit> = new Publisher<TrackUnitEvent, TrackUnit>(this);
     private on = false;
diff --git a/src/ui/Track/TrackView.ts b/src/ui/Track/TrackView.ts
index 197f248..1c0598f 100644
--- a/src/ui/Track/TrackView.ts
+++ b/src/ui/Track/TrackView.ts
@@ -73,7 +73,7 @@ export default class TrackView extends UINode implements ISubscriber<EventTypeSu
                     view = new TrackUnitView({trackUnit});
                     this.trackUnitViews.push(view);
                     view.onHover(() => this.onBeatViewHover(view));
-                    view.onMouseDown((event: MouseEvent) => this.onTrackUnitClick(event.button, i));
+                    view.onMouseUp((event: MouseEvent) => this.onTrackUnitClick(event.button, i));
                 }
             }
         }
diff --git a/src/ui/TrackUnit/TrackUnit.css b/src/ui/TrackUnit/TrackUnit.css
index e1126a0..455917e 100644
--- a/src/ui/TrackUnit/TrackUnit.css
+++ b/src/ui/TrackUnit/TrackUnit.css
@@ -35,21 +35,8 @@
 
 .track-unit.track-unit-on.track-unit-accent {
     border-color: var(--color-ui-neutral-light);
-    background-color: var(--color-ui-accent);
-}
-
-.track-unit.track-unit-on.track-unit-accent:hover {
-    border-color: var(--color-ui-neutral-light);
-    background-color: var(--color-ui-accent-hover);
 }
 
 .track-unit.track-unit-on.track-unit-ghost {
-    border-color: var(--color-ui-accent);
-    background-color: var(--color-ui-accent);
     opacity: 60%;
-}
-
-.track-unit.track-unit-on.track-unit-ghost:hover {
-    border-color: var(--color-ui-accent-hover);
-    background-color: var(--color-ui-accent-hover);
-}
+}
\ No newline at end of file
diff --git a/src/ui/TrackUnit/TrackUnitView.ts b/src/ui/TrackUnit/TrackUnitView.ts
index 81d7572..6371586 100644
--- a/src/ui/TrackUnit/TrackUnitView.ts
+++ b/src/ui/TrackUnit/TrackUnitView.ts
@@ -19,9 +19,10 @@ export default class TrackUnitView extends UINode implements ISubscriber<EventTy
     private trackUnit: TrackUnit;
     private subscription: ISubscription | null = null;
     private publisher: IPublisher<TrackUnitEvent> = new Publisher<TrackUnitEvent, TrackUnitView>(this);
-    private touchTimeout: ReturnType<typeof setTimeout> | null = null;
-    private mouseDownListeners: ((ev: MouseEvent) => void)[] = [];
+    private rotationTimeout: ReturnType<typeof setTimeout> | null = null;
+    private mouseUpListeners: ((ev: MouseEvent) => void)[] = [];
     private hoverListeners: ((ev: MouseEvent) => void)[] = [];
+    private blockNextMouseUp = false;
 
     constructor(options: TrackUnitUINodeOptions) {
         super(options);
@@ -43,12 +44,10 @@ export default class TrackUnitView extends UINode implements ISubscriber<EventTy
     private setupBindings() {
         this.subscription?.unbind();
         this.subscription = this.trackUnit.addSubscriber(this, EventTypeSubscriptions);
-        this.mouseDownListeners.forEach(listener => this.getNode().removeEventListener("mousedown", listener));
         this.hoverListeners.forEach(listener => this.getNode().removeEventListener("mouseover", listener));
         this.redraw();
-        this.mouseDownListeners.forEach(listener => this.getNode().addEventListener("mousedown", listener));
-        this.hoverListeners.forEach(listener => this.getNode().addEventListener("mouseover", listener));
         this.getNode().addEventListener("mousedown", (ev) => this.handleMouseDown(ev));
+        this.getNode().addEventListener("mouseup", (ev) => this.handleMouseUp(ev));
         this.getNode().addEventListener("touchstart", (ev) => this.handleTouchStart(ev));
         this.getNode().addEventListener("touchend", (ev) => this.handleTouchEnd(ev));
     }
@@ -56,20 +55,37 @@ export default class TrackUnitView extends UINode implements ISubscriber<EventTy
     private handleMouseDown(ev: MouseEvent): void {
         if (ev.button === 1) {
             this.trackUnit.rotateType();
+        } else if (ev.button === 0) {
+            this.rotationTimeout = this.rotationTimeout || setTimeout(() => {
+                this.trackUnit.rotateType();
+                this.blockNextMouseUp = true;
+                this.rotationTimeout = null;
+            }, 400);
         }
     }
 
+    private handleMouseUp(ev: MouseEvent): void {
+        if (this.rotationTimeout) {
+            clearTimeout(this.rotationTimeout);
+            this.rotationTimeout = null;
+        }
+        if (!this.blockNextMouseUp) {
+            this.mouseUpListeners.forEach(listener => listener(ev));
+        }
+        this.blockNextMouseUp = false;
+    }
+
     private handleTouchStart(ev: TouchEvent): void {
-        this.touchTimeout = this.touchTimeout || setTimeout(() => {
+        this.rotationTimeout = this.rotationTimeout || setTimeout(() => {
             this.trackUnit.rotateType();
-            this.touchTimeout = null;
+            this.rotationTimeout = null;
         }, 400);
     }
 
     private handleTouchEnd(ev: TouchEvent): void {
-        if (this.touchTimeout) {
-            clearTimeout(this.touchTimeout);
-            this.touchTimeout = null;
+        if (this.rotationTimeout) {
+            clearTimeout(this.rotationTimeout);
+            this.rotationTimeout = null;
         }
     }
 
@@ -100,13 +116,17 @@ export default class TrackUnitView extends UINode implements ISubscriber<EventTy
                 this.getNode().classList.remove("track-unit-accent");
                 break;
             case TrackUnitType.GhostNote:
-                this.getNode().classList.remove("track-unit-accent");
                 this.getNode().classList.add("track-unit-ghost");
+                this.getNode().classList.remove("track-unit-accent");
                 break;
             case TrackUnitType.Accent:
                 this.getNode().classList.remove("track-unit-ghost");
                 this.getNode().classList.add("track-unit-accent");
                 break;
+            case TrackUnitType.GhostNoteAccent:
+                this.getNode().classList.add("track-unit-ghost");
+                this.getNode().classList.add("track-unit-accent");
+                break;
             }
             break;
         }
@@ -125,11 +145,10 @@ export default class TrackUnitView extends UINode implements ISubscriber<EventTy
 
     onHover(cb: () => void): void {
         this.hoverListeners.push(cb);
-        this.setupBindings();
+        this.getNode().addEventListener("mouseover", cb);
     }
 
-    onMouseDown(cb: (ev: MouseEvent) => void): void {
-        this.mouseDownListeners.push(cb);
-        this.setupBindings();
+    onMouseUp(cb: (ev: MouseEvent) => void): void {
+        this.mouseUpListeners.push(cb);
     }
 }