diff --git a/README.md b/README.md
index 3bacd07..fe87594 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # rtaudio
 
+RtAudio is a set of C++ classes that provide a common API (Application Programming Interface) for realtime audio input/output across Linux, Macintosh OS-X and Windows operating systems. RtAudio significantly simplifies the process of interacting with computer audio hardware. It was designed with the following objectives:
+
diff --git a/rtaudio.spec b/rtaudio.spec
new file mode 100644
index 0000000..40b8167
--- /dev/null
+++ b/rtaudio.spec
@@ -0,0 +1,84 @@
+Name:          rtaudio
+Version:       4.0.12
+Release:       2mamba
+Summary:       A set of C++ classes that provide a common API (Application Programming Interface) for realtime audio input/output
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.music.mcgill.ca/~gary/rtaudio/
+Source:        http://www.music.mcgill.ca/~gary/rtaudio/release/rtaudio-%{version}.tar.gz
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libalsa-devel
+BuildRequires: libgcc
+BuildRequires: libjack-devel
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+RtAudio is a set of C++ classes that provide a common API (Application Programming Interface) for realtime audio input/output across Linux, Macintosh OS-X and Windows operating systems. RtAudio significantly simplifies the process of interacting with computer audio hardware. It was designed with the following objectives:
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       A library that provides a common API (Application Programming Interface) for realtime audio input/output
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+# for RtError.h
+Requires:      librtmidi-devel
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%configure \
+   --with-alsa \
+   --with-jack
+
+%make -j1
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+install -d -m0755 %{buildroot}%{_libdir}
+cp -P librtaudio.so* %{buildroot}%{_libdir}
+install -D -m0755 rtaudio-config %{buildroot}%{_bindir}/rtaudio-config
+for f in RtAudio.h; do
+# RtError.h already provided by rtmidi
+install -D -m0644 $f %{buildroot}%{_includedir}/$f
+done
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/librtaudio.so.*
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_bindir}/rtaudio-config
+%{_includedir}/RtAudio.h
+%{_libdir}/librtaudio.so
+
+%changelog
+* Thu Oct 31 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.12-2mamba
+- fixed group of librtaudio
+
+* Thu Aug 01 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.12-1mamba
+- package created by silvan using the webbuild interface