diff --git a/studio-frontend/src/app/app.element.ts b/studio-frontend/src/app/app.element.ts
index 915f8d6..737d2eb 100644
--- a/studio-frontend/src/app/app.element.ts
+++ b/studio-frontend/src/app/app.element.ts
@@ -8,17 +8,17 @@ import {
 } from "@storyteller/studio";
 import { ButtonElement } from "@storyteller/studio-ui/button";
 import {
-	MediaFileType,
 	SceneHierarchyElement,
 	StorytellerApi,
 	StudioURLParams,
 } from "@storyteller/studio-web";
-import { assert, match } from "@storyteller/utility";
+import { match } from "@storyteller/utility";
 import { LitElement, html, nothing } from "lit";
 import { customElement, state } from "lit/decorators.js";
 import { classMap } from "lit/directives/class-map.js";
 import { createRef, ref } from "lit/directives/ref.js";
 import { styleMap } from "lit/directives/style-map.js";
+import { MediaLibraryElement } from "./media-library.element";
 
 import "@storyteller/studio-ui/button";
 import "@storyteller/studio-ui/icon";
@@ -37,6 +37,7 @@ import "./anim-editor.element";
 import "./help.element";
 
 import "./blocking.element";
+import "./media-library.element";
 
 import "./app.element.scss";
 
@@ -58,6 +59,7 @@ export class AppElement extends LitElement {
 	#enableAnimTimeline = false; // TODO
 
 	#addToSceneButtonRef = createRef<ButtonElement>();
+	#mediaLibraryRef = createRef<MediaLibraryElement>();
 	#inspectorRef = createRef<HTMLDivElement>();
 	#hierarchyRef = createRef<SceneHierarchyElement>();
 
@@ -67,37 +69,6 @@ export class AppElement extends LitElement {
 		return this;
 	}
 
-	// TODO
-	override async connectedCallback(): Promise<void> {
-		super.connectedCallback();
-
-		try {
-			const session = await this.api.session();
-			console.log("session:", session);
-
-			if (!session.logged_in)
-				return; // TODO: Prompt for login?
-
-			assert(session.user?.username != null);
-
-			const mediaFilesResult = await this.api.listMediaFiles({
-				username: session.user.username,
-				filterMediaType: [
-					MediaFileType.Bvh,
-					MediaFileType.Fbx,
-					MediaFileType.Glb,
-					MediaFileType.Gltf,
-					MediaFileType.Mocap,
-					MediaFileType.ScnRon,
-				],
-			});
-			console.log(mediaFilesResult);
-		}
-		catch (err) {
-			console.error(err);
-		}
-	}
-
 	@on("scene-saved")
 	async onSceneSaved({ detail: scene }: SceneSavedEvent): Promise<void> {
 		try {
@@ -220,7 +191,14 @@ export class AppElement extends LitElement {
 
 			<!-- Studio-mode-only elements -->
 			${this.#params.mode === StudioMode.Editor ? html`
-				<sts-add-to-scene-menu .trigger=${this.#addToSceneButtonRef}></sts-add-to-scene-menu>
+				<sts-add-to-scene-menu
+					.trigger=${this.#addToSceneButtonRef}
+					@open-media-library=${() => {
+						this.#mediaLibraryRef.value?.open();
+					}}
+				></sts-add-to-scene-menu>
+				<sts-media-library ${ref(this.#mediaLibraryRef)}></sts-media-library>
+
 				<sts-transform-toolbar class="v-start h-center"></sts-transform-toolbar>
 
 				${this.showInspector ? html`
diff --git a/studio-frontend/src/app/media-library.element.scss b/studio-frontend/src/app/media-library.element.scss
new file mode 100644
index 0000000..cd71d90
--- /dev/null
+++ b/studio-frontend/src/app/media-library.element.scss
@@ -0,0 +1,14 @@
+:host {
+	display: block;
+	min-width: 512px;
+	min-height: 256px;
+	max-width: 80%;
+	max-height: 80%;
+	padding: 1rem;
+	overflow: auto;
+
+	background: #0006;
+	color: #FFFC;
+	backdrop-filter: blur(16px);
+	border-radius: 0.5rem;
+}
diff --git a/studio-frontend/src/app/media-library.element.ts b/studio-frontend/src/app/media-library.element.ts
new file mode 100644
index 0000000..8fc5bea
--- /dev/null
+++ b/studio-frontend/src/app/media-library.element.ts
@@ -0,0 +1,131 @@
+import { inject, on } from "@storyteller/framework";
+import {
+	OVERLAY_PROVIDER,
+	type OverlayHandle,
+	type OverlayProvider,
+} from "@storyteller/studio-ui/overlay-provider";
+import {
+	type MediaFile,
+	MediaFileType,
+	StorytellerApi,
+} from "@storyteller/studio-web";
+import { LitElement, unsafeCSS, type PropertyValues, html } from "lit";
+import { customElement, property, state } from "lit/decorators.js";
+import { createRef, ref } from "lit/directives/ref.js";
+import { until } from "lit/directives/until.js";
+
+import dialogStyles from "./media-library.element.scss?inline";
+
+@customElement("sts-media-library")
+export class MediaLibraryElement extends LitElement {
+	@property({ attribute: false })
+	trigger = createRef<HTMLElement>();
+
+	@inject(OVERLAY_PROVIDER)
+	overlay!: OverlayProvider;
+
+	#overlayHandle?: WeakRef<OverlayHandle>;
+	#dialogRef = createRef<MediaLibraryDialogElement>();
+
+	open(): void {
+		this.#overlayHandle = this.overlay.attach(this, html`
+			<sts-media-library-dialog
+				${ref(this.#dialogRef)}
+				@close=${() => this.close()}
+			></sts-media-library-dialog>
+		`, {
+			containerStyles: {
+				display: "flex",
+				alignItems: "center",
+				justifyContent: "center",
+			},
+		});
+	}
+
+	close(): void {
+		if (this.#overlayHandle)
+			this.overlay.detach(this.#overlayHandle);
+	}
+
+	protected override updated(changes: PropertyValues<this>): void {
+		if (changes.has("trigger")) {
+			const prevTrigger = changes.get("trigger");
+			if (prevTrigger?.value) {
+				prevTrigger.value.removeEventListener("click", this.onTriggerClick);
+			}
+
+			const trigger = this.trigger.value;
+			if (!trigger) return;
+
+			trigger.addEventListener("click", this.onTriggerClick);
+		}
+
+		super.updated(changes);
+	}
+
+	override disconnectedCallback(): void {
+		this.trigger.value?.removeEventListener("click", this.onTriggerClick);
+		super.disconnectedCallback();
+	}
+
+	onTriggerClick = (): void => {
+		this.open();
+	}
+}
+
+@customElement("sts-media-library-dialog")
+export class MediaLibraryDialogElement extends LitElement {
+	static override styles = unsafeCSS(dialogStyles);
+
+	@property({ reflect: true })
+	override role = "dialog";
+
+	@state()
+	mediaFiles?: Promise<MediaFile[]>;
+
+	@inject(StorytellerApi)
+	_api!: StorytellerApi;
+
+	override async connectedCallback(): Promise<void> {
+		this.mediaFiles = this._api
+			.session()
+			.then(session => {
+				if (!session.logged_in || !session.user?.username)
+					return Promise.reject(new Error("Not logged in"));
+
+				return this._api.listMediaFiles({
+					username: session.user.username,
+					filterMediaType: [
+						MediaFileType.Bvh,
+						MediaFileType.Glb,
+						MediaFileType.Gltf,
+						MediaFileType.ScnRon,
+					],
+				});
+			})
+			.then(result => Promise.all(
+				result.results.map(({ token }) => this._api.mediaFile(token))
+			))
+			.catch(err => {
+				console.error(err);
+				return [];
+			});
+
+		super.connectedCallback();
+	}
+
+	@on("window:click")
+	onWindowClick(event: PointerEvent): void {
+		if (!event.composedPath().includes(this))
+			this.dispatchEvent(new CustomEvent("close"));
+	}
+
+	protected override render = () => html`
+		${until(
+			this.mediaFiles?.then(files => html`
+				<pre>${JSON.stringify(files, null, "  ")}</pre>
+			`),
+			html`<span>Loading...</span>`
+		)}
+	`;
+}
diff --git a/studio-web/src/lib/add-to-scene-menu.element.ts b/studio-web/src/lib/add-to-scene-menu.element.ts
index a8b0427..54684ad 100644
--- a/studio-web/src/lib/add-to-scene-menu.element.ts
+++ b/studio-web/src/lib/add-to-scene-menu.element.ts
@@ -60,6 +60,9 @@ export class AddToSceneMenuElement extends LitElement {
 			<sts-button
 				role="menuitem"
 				icon="photo-film-music"
+				@click=${() => {
+					this.dispatchEvent(new CustomEvent("open-media-library"));
+				}}
 			>
 				Media library...
 			</sts-button>