diff --git a/Tone/core/context/ToneAudioBuffer.test.ts b/Tone/core/context/ToneAudioBuffer.test.ts
index 3258ab326..7af757ff7 100644
--- a/Tone/core/context/ToneAudioBuffer.test.ts
+++ b/Tone/core/context/ToneAudioBuffer.test.ts
@@ -115,6 +115,57 @@ describe("ToneAudioBuffer", () => {
 				},
 			});
 		});
+
+		it("can load an audio file with a space in the name", async () => {
+			const buffer = new ToneAudioBuffer(
+				"./test/audio/name with space.wav"
+			);
+			expect(buffer.loaded).to.be.false;
+			await ToneAudioBuffer.loaded();
+			expect(buffer.loaded).to.be.true;
+		});
+
+		it("can load an encoded audio file with a space in the name", async () => {
+			const buffer = new ToneAudioBuffer(
+				"./test/audio/" + encodeURIComponent("name with space.wav")
+			);
+			expect(buffer.loaded).to.be.false;
+			await ToneAudioBuffer.loaded();
+			expect(buffer.loaded).to.be.true;
+		});
+	});
+
+	context("baseUrl", () => {
+		afterEach(() => {
+			// reset baseUrl
+			ToneAudioBuffer.baseUrl = "";
+		});
+
+		it("can resolve a url without a baseUrl", async () => {
+			const buffer = new ToneAudioBuffer("./test/audio/sine.wav");
+			expect(buffer.loaded).to.be.false;
+			await ToneAudioBuffer.loaded();
+			expect(buffer.loaded).to.be.true;
+			expect(buffer.duration).to.be.closeTo(3, 0.01);
+		});
+
+		it("can resolve a url with a baseUrl", async () => {
+			ToneAudioBuffer.baseUrl = "./test/audio";
+			const buffer = new ToneAudioBuffer("sine.wav");
+			expect(buffer.loaded).to.be.false;
+			await ToneAudioBuffer.loaded();
+			expect(buffer.loaded).to.be.true;
+			expect(buffer.duration).to.be.closeTo(3, 0.01);
+		});
+
+		it("can resolve a url with a baseUrl that has a trailing slash", async () => {
+			ToneAudioBuffer.baseUrl = "./test/audio/";
+			const buffer = new ToneAudioBuffer("sine.wav");
+			expect(buffer.loaded).to.be.false;
+			await ToneAudioBuffer.loaded();
+			expect(buffer.loaded).to.be.true;
+			expect(buffer.duration).to.be.closeTo(3, 0.01);
+		});
 	});
 
 	context("loading", () => {
@@ -141,20 +192,6 @@ describe("ToneAudioBuffer", () => {
 			expect(hadError).to.equal(true);
 		});
 
-		it("can load a file with fallback extensions", async () => {
-			const buffer = await ToneAudioBuffer.load(
-				"./test/audio/sine.[nope|nada|wav]"
-			);
-			expect(buffer).to.exist;
-		});
-
-		it("takes the first supported format when multiple extensions are provided", async () => {
-			const buffer = await ToneAudioBuffer.load(
-				"./test/audio/sine.[wav|nope]"
-			);
-			expect(buffer).to.exist;
-		});
-
 		it("instance .load method returns Promise", (done) => {
 			const promise = new ToneAudioBuffer().load(testFile);
 			expect(promise).to.have.property("then");
diff --git a/Tone/core/context/ToneAudioBuffer.ts b/Tone/core/context/ToneAudioBuffer.ts
index be983737d..d9584f8f3 100644
--- a/Tone/core/context/ToneAudioBuffer.ts
+++ b/Tone/core/context/ToneAudioBuffer.ts
@@ -372,20 +372,6 @@ export class ToneAudioBuffer extends Tone {
 	 * Loads a url using fetch and returns the AudioBuffer.
 	 */
 	static async load(url: string): Promise<AudioBuffer> {
-		// test if the url contains multiple extensions
-		const matches = url.match(/\[([^\]\[]+\|.+)\]$/);
-		if (matches) {
-			const extensions = matches[1].split("|");
-			let extension = extensions[0];
-			for (const ext of extensions) {
-				if (ToneAudioBuffer.supportsType(ext)) {
-					extension = ext;
-					break;
-				}
-			}
-			url = url.replace(matches[0], extension);
-		}
-
 		// make sure there is a slash between the baseUrl and the url
 		const baseUrl =
 			ToneAudioBuffer.baseUrl === "" ||
@@ -393,15 +379,7 @@ export class ToneAudioBuffer extends Tone {
 				? ToneAudioBuffer.baseUrl
 				: ToneAudioBuffer.baseUrl + "/";
 
-		// encode special characters in file path
-		const location = document.createElement("a");
-		location.href = baseUrl + url;
-		location.pathname = (location.pathname + location.hash)
-			.split("/")
-			.map(encodeURIComponent)
-			.join("/");
-
-		const response = await fetch(location.href);
+		const response = await fetch(baseUrl + url);
 		if (!response.ok) {
 			throw new Error(`could not load url: ${url}`);
 		}
diff --git a/package-lock.json b/package-lock.json
index 7a52ded5f..73c191fd2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "tone",
-	"version": "15.0.0",
+	"version": "15.1.0",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "tone",
-			"version": "15.0.0",
+			"version": "15.1.0",
 			"license": "MIT",
 			"dependencies": {
 				"standardized-audio-context": "^25.3.70",
diff --git a/package.json b/package.json
index 48635227b..f6c481077 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "tone",
-	"version": "15.0.0",
+	"version": "15.1.0",
 	"description": "A Web Audio framework for making interactive music in the browser.",
 	"type": "module",
 	"main": "build/esm/index.js",
diff --git a/test/audio/name with space.wav b/test/audio/name with space.wav
new file mode 100644
index 000000000..a66b5c18c
Binary files /dev/null and b/test/audio/name with space.wav differ