diff --git a/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.cpp b/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.cpp
index 4304b2b701c..277935e718d 100644
--- a/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.cpp
+++ b/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.cpp
@@ -6,20 +6,102 @@
 
 #include <LibWeb/Bindings/AudioScheduledSourceNodePrototype.h>
 #include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/WebAudio/AudioBuffer.h>
 #include <LibWeb/WebAudio/AudioBufferSourceNode.h>
+#include <LibWeb/WebAudio/AudioParam.h>
 #include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
 
 namespace Web::WebAudio {
 
 JS_DEFINE_ALLOCATOR(AudioBufferSourceNode);
 
-AudioBufferSourceNode::AudioBufferSourceNode(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const&)
+AudioBufferSourceNode::AudioBufferSourceNode(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)
     : AudioScheduledSourceNode(realm, context)
+    , m_buffer(options.buffer)
+    , m_playback_rate(AudioParam::create(realm, options.playback_rate, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
+    , m_detune(AudioParam::create(realm, options.detune, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
+    , m_loop(options.loop)
+    , m_loop_start(options.loop_start)
+    , m_loop_end(options.loop_end)
 {
 }
 
 AudioBufferSourceNode::~AudioBufferSourceNode() = default;
 
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-buffer
+WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_buffer(JS::GCPtr<AudioBuffer> buffer)
+{
+    m_buffer = buffer;
+    return {};
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-buffer
+JS::GCPtr<AudioBuffer> AudioBufferSourceNode::buffer() const
+{
+    return m_buffer;
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-playbackrate
+JS::NonnullGCPtr<AudioParam> AudioBufferSourceNode::playback_rate() const
+{
+    return m_playback_rate;
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-detune
+JS::NonnullGCPtr<AudioParam> AudioBufferSourceNode::detune() const
+{
+    return m_detune;
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loop
+WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_loop(bool loop)
+{
+    m_loop = loop;
+    return {};
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loop
+bool AudioBufferSourceNode::loop() const
+{
+    return m_loop;
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopstart
+WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_loop_start(double loop_start)
+{
+    m_loop_start = loop_start;
+    return {};
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopstart
+double AudioBufferSourceNode::loop_start() const
+{
+    return m_loop_start;
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopend
+WebIDL::ExceptionOr<void> AudioBufferSourceNode::set_loop_end(double loop_end)
+{
+    m_loop_end = loop_end;
+    return {};
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-loopend
+double AudioBufferSourceNode::loop_end() const
+{
+    return m_loop_end;
+}
+
+// https://webaudio.github.io/web-audio-api/#dom-audiobuffersourcenode-start`
+WebIDL::ExceptionOr<void> AudioBufferSourceNode::start(Optional<double> when, Optional<double> offset, Optional<double> duration)
+{
+    (void)when;
+    (void)offset;
+    (void)duration;
+    dbgln("FIXME: Implement AudioBufferSourceNode::start(when, offset, duration)");
+    return {};
+}
+
 WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> AudioBufferSourceNode::create(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, AudioBufferSourceOptions const& options)
 {
     return construct_impl(realm, context, options);
@@ -44,6 +126,9 @@ void AudioBufferSourceNode::initialize(JS::Realm& realm)
 void AudioBufferSourceNode::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);
+    visitor.visit(m_buffer);
+    visitor.visit(m_playback_rate);
+    visitor.visit(m_detune);
 }
 
 }
diff --git a/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.h b/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.h
index e87070f67b8..52dac427362 100644
--- a/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.h
+++ b/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.h
@@ -7,6 +7,8 @@
 #pragma once
 
 #include <LibWeb/Bindings/AudioBufferSourceNodePrototype.h>
+#include <LibWeb/WebAudio/AudioBuffer.h>
+#include <LibWeb/WebAudio/AudioParam.h>
 #include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
 
 namespace Web::WebAudio {
@@ -29,6 +31,19 @@ class AudioBufferSourceNode : public AudioScheduledSourceNode {
 public:
     virtual ~AudioBufferSourceNode() override;
 
+    WebIDL::ExceptionOr<void> set_buffer(JS::GCPtr<AudioBuffer>);
+    JS::GCPtr<AudioBuffer> buffer() const;
+    JS::NonnullGCPtr<AudioParam> playback_rate() const;
+    JS::NonnullGCPtr<AudioParam> detune() const;
+    WebIDL::ExceptionOr<void> set_loop(bool);
+    bool loop() const;
+    WebIDL::ExceptionOr<void> set_loop_start(double);
+    double loop_start() const;
+    WebIDL::ExceptionOr<void> set_loop_end(double);
+    double loop_end() const;
+
+    WebIDL::ExceptionOr<void> start(Optional<double>, Optional<double>, Optional<double>);
+
     static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> create(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});
     static WebIDL::ExceptionOr<JS::NonnullGCPtr<AudioBufferSourceNode>> construct_impl(JS::Realm&, JS::NonnullGCPtr<BaseAudioContext>, AudioBufferSourceOptions const& = {});
 
@@ -37,6 +52,14 @@ protected:
 
     virtual void initialize(JS::Realm&) override;
     virtual void visit_edges(Cell::Visitor&) override;
+
+private:
+    JS::GCPtr<AudioBuffer> m_buffer;
+    JS::NonnullGCPtr<AudioParam> m_playback_rate;
+    JS::NonnullGCPtr<AudioParam> m_detune;
+    bool m_loop { false };
+    double m_loop_start { 0.0 };
+    double m_loop_end { 0.0 };
 };
 
 }
diff --git a/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.idl b/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.idl
index 0ee9b113510..067723df32f 100644
--- a/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.idl
+++ b/Userland/Libraries/LibWeb/WebAudio/AudioBufferSourceNode.idl
@@ -16,11 +16,11 @@ dictionary AudioBufferSourceOptions {
 [Exposed=Window]
 interface AudioBufferSourceNode : AudioScheduledSourceNode {
     constructor(BaseAudioContext context, optional AudioBufferSourceOptions options = {});
-    [FIXME] attribute AudioBuffer? buffer;
-    [FIXME] readonly attribute AudioParam playbackRate;
-    [FIXME] readonly attribute AudioParam detune;
-    [FIXME] attribute boolean loop;
-    [FIXME] attribute double loopStart;
-    [FIXME] attribute double loopEnd;
-    [FIXME] undefined start(optional double when = 0, optional double offset, optional double duration);
+    attribute AudioBuffer? buffer;
+    readonly attribute AudioParam playbackRate;
+    readonly attribute AudioParam detune;
+    attribute boolean loop;
+    attribute double loopStart;
+    attribute double loopEnd;
+    undefined start(optional double when = 0, optional double offset, optional double duration);
 };