diff --git a/Brewfile b/Brewfile
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+++ b/Brewfile
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+# Strawberry Music Player (macOS) - Homebrew Bundle
+#
+# Usage:
+#   brew bundle --file Brewfile
+#
+# Notes:
+# - This is intended for macOS (Apple Silicon or Intel).
+# - Some Strawberry features are optional and will auto-disable if deps are missing.
+
+# Build tooling
+brew "cmake"
+brew "pkg-config"
+brew "ninja"
+
+# Core runtime/build dependencies (required by CMakeLists.txt)
+brew "qt"          # Qt 6 (Core/Gui/Widgets/Network/Sql/Concurrent)
+brew "boost"
+brew "icu4c"
+brew "glib"        # provides glib-2.0 + gobject-2.0 (via pkg-config)
+brew "glib-networking" # TLS + GIO modules (helps macOS bundling via dist/macos/macgstcopy.sh)
+brew "glib-openssl"    # alternative TLS backend for GIO
+brew "sqlite"
+brew "taglib"
+brew "gstreamer"
+
+# Strawberry requires KDAB's KDSingleApplication (CMake package name: KDSingleApplication-qt6).
+# Homebrew core doesn't consistently provide it, so this repo includes a local formula.
+# Homebrew requires formulae to be installed from a tap; `brew bundle` will tap *this repo*
+# using the current working directory (run `brew bundle` from the repo root).
+tap "strawberry/local", "file://#{Dir.pwd}"
+brew "strawberry/local/kdsingleapplication-qt6"
+
+# Recommended GStreamer plugin sets for broad codec support (matches README guidance)
+brew "gst-plugins-base"
+brew "gst-plugins-good"
+brew "gst-plugins-bad"
+brew "gst-plugins-ugly"
+brew "gst-libav"
+
+# Helpful for Strawberry's macOS "deploy" target (GStreamer dynamically loads libsoup)
+brew "libsoup"
+
+# Optional: enable building the CMake "dmg" target (cmake/Dmg.cmake)
+brew "create-dmg"
+
diff --git a/Formula/kdsingleapplication-qt6.rb b/Formula/kdsingleapplication-qt6.rb
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+++ b/Formula/kdsingleapplication-qt6.rb
@@ -0,0 +1,51 @@
+class KdsingleapplicationQt6 < Formula
+  desc "Helper class for single-instance Qt applications (Qt 6 build)"
+  homepage "https://github.com/KDAB/KDSingleApplication"
+  url "https://github.com/KDAB/KDSingleApplication/archive/refs/tags/v1.1.0.tar.gz"
+  sha256 "1f19124c0aa5c6fffee3da174f7d2e091fab6dca1e123da70bb0fe615bfbe3e8"
+  license "MIT"
+
+  depends_on "cmake" => :build
+  depends_on "ninja" => :build
+  depends_on "qt"
+
+  def install
+    args = std_cmake_args + %W[
+      -GNinja
+      -DKDSingleApplication_QT6=ON
+      -DKDSingleApplication_TESTS=OFF
+      -DKDSingleApplication_EXAMPLES=OFF
+      -DKDSingleApplication_DOCS=OFF
+      -DKDSingleApplication_DEVELOPER_MODE=OFF
+      -DKDSingleApplication_STATIC=OFF
+    ]
+
+    system "cmake", "-S", ".", "-B", "build", *args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
+  end
+
+  test do
+    # Verify CMake package is usable via find_package(KDSingleApplication-qt6 CONFIG REQUIRED)
+    (testpath/"CMakeLists.txt").write <<~CMAKE
+      cmake_minimum_required(VERSION 3.16)
+      project(kdsa_test LANGUAGES CXX)
+      find_package(KDSingleApplication-qt6 CONFIG REQUIRED)
+      add_executable(test_kdsa main.cpp)
+      target_link_libraries(test_kdsa PRIVATE KDAB::kdsingleapplication)
+    CMAKE
+
+    (testpath/"main.cpp").write <<~CPP
+      #include <QCoreApplication>
+      int main(int argc, char** argv) {
+        QCoreApplication app(argc, argv);
+        return 0;
+      }
+    CPP
+
+    system "cmake", "-S", ".", "-B", "build",
+           "-DCMAKE_PREFIX_PATH=#{opt_prefix}"
+    system "cmake", "--build", "build"
+  end
+end
+
diff --git a/Formula/kdsingleapplication-qt6/README.md b/Formula/kdsingleapplication-qt6/README.md
new file mode 100644
index 000000000..b724bf9c4
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+++ b/Formula/kdsingleapplication-qt6/README.md
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+# kdsingleapplication-qt6 (local Homebrew formula)
+
+This directory exists to keep any supporting files for the local Homebrew formula
+next to it (e.g. patches or notes).
+
+## Install (from this Strawberry repo)
+
+From the repo root:
+
+```bash
+brew tap strawberry/local "file://$PWD"
+brew install strawberry/local/kdsingleapplication-qt6
+```
+
+## Why it exists
+
+Strawberry’s build requires the CMake package `KDSingleApplication-qt6`, but it is
+not consistently available via Homebrew core. Shipping a local formula makes the
+dependency easy to install for anyone building this repo on macOS.
+
+## Note for local development
+
+Homebrew taps are Git clones, so the formula must be committed (or pushed to a remote)
+to be visible to `brew tap`.
+