diff --git a/Unison.sf2.gz b/Unison.SF2
similarity index 63%
rename from Unison.sf2.gz
rename to Unison.SF2
index 3fba153..d84baf6 100644
Binary files a/Unison.sf2.gz and b/Unison.SF2 differ
diff --git a/soundfont-Unison-LICENSE b/soundfont-Unison-LICENSE
new file mode 100644
index 0000000..3d9d1fc
--- /dev/null
+++ b/soundfont-Unison-LICENSE
@@ -0,0 +1 @@
+Unison is to be used for non-commercial purposes only! You may edit it for your own use, but do not distribute modified versions of Unison or any instruments/ sounds within that were created by me. EMU's terms and conditions of use apply to the rest of the instruments/sounds (Music Box, Jazz Guitar, Brass, Soprano Sax, Solo Vox, and Space Voice.)
diff --git a/soundfont-Unison.spec b/soundfont-Unison.spec
index 20fd9f0..4621d14 100644
--- a/soundfont-Unison.spec
+++ b/soundfont-Unison.spec
@@ -1,14 +1,15 @@
 Name:          soundfont-Unison
 Version:       1.0
-Release:       5mamba
+Release:       6mamba
 Summary:       A soundfont collection for MIDI synthetizers
 Group:         System/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.personalcopy.com/home.htm
-Source:        ftp://ftp.personalcopy.net/pub/Unison.sf2.gz
-License:       Free
+URL:           https://musical-artifacts.com/artifacts/659
+Source:        https://musical-artifacts.com/artifacts/659/Unison.SF2
+Source1:       soundfont-Unison-LICENSE
+License:       Custom
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
 
@@ -18,17 +19,22 @@ A soundfont collection for MIDI synthetizers
 %build
 
 %install
-install -D -m 0644 %{SOURCE0} %{buildroot}%{_datadir}/soundfonts/Unison.sf2.gz
-gunzip %{buildroot}%{_datadir}/soundfonts/Unison.sf2.gz
+install -D -m 0644 %{SOURCE0} %{buildroot}%{_datadir}/soundfonts/Unison.sf2
+install -D -m 0644 %{SOURCE1} %{buildroot}%{_docdir}/%{name}/LICENSE
 
 %clean
 [[ "%{buildroot}" ]] && rm -rf %{buildroot}
 
 %files
 %defattr(-,root,root)
-%{_datadir}/soundfonts/*
+%{_datadir}/soundfonts/Unison.sf2
+%dir %{_docdir}/soundfont-Unison
+%{_docdir}/soundfont-Unison/LICENSE
 
 %changelog
+* Mon Oct 09 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0-6mamba
+- updated URL, Source URL and License
+
 * Sun Jun 06 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0-5mamba
 - added build requirements block