diff --git a/community/csound/PKGBUILD b/community/csound/PKGBUILD
index 50bfed9ad..b09313521 100644
--- a/community/csound/PKGBUILD
+++ b/community/csound/PKGBUILD
@@ -12,36 +12,29 @@ buildarch=22
 
 pkgbase=csound
 pkgname=('csound' 'csound-doc')
-pkgver=6.12.2
-pkgrel=8
+pkgver=6.13.0
+pkgrel=1
 pkgdesc="A programming language for sound rendering and signal processing."
 arch=('x86_64')
 url="https://csound.com"
 license=('LGPL')
 # libpd needs to be packaged: https://github.com/libpd/libpd/releases
-# current gmm doesn't work https://github.com/csound/csound/issues/920
+# gmm > 5.1 breaks linear-algebra opcode: https://github.com/csound/csound/issues/920
 makedepends=('boost' 'cmake' 'cunit' 'doxygen' 'dssi' 'eigen' 'faust' 'fltk'
-'fluidsynth' 'git' 'hdf5' 'java-environment' 'ladspa' 'libmusicxml'
-'libwebsockets' 'llvm' 'luajit' 'portmidi' 'portsmf' 'python2' 'stk' 'swig'
-'wiiuse')
+'fluidsynth' 'hdf5' 'java-environment' 'ladspa' 'libmusicxml' 'libwebsockets'
+'link' 'llvm' 'lua' 'portmidi' 'portsmf' 'python2' 'stk' 'swig' 'wiiuse')
 source=("${pkgbase}-${pkgver}.tar.gz::https://github.com/${pkgbase}/${pkgbase}/archive/${pkgver}.tar.gz"
         "${pkgbase}.sh"
-        "fluidsynth2.patch"
         "https://github.com/${pkgbase}/${pkgbase}/releases/download/${pkgver}/Csound${pkgver}_manual_html.zip"
-        "https://github.com/${pkgbase}/${pkgbase}/releases/download/${pkgver}/Csound${pkgver}_manual_pdf.zip"
-        "fluidsynth2.patch")
-sha512sums=('e00a1f74e38cc5edadcaa4ea2a38a79a010be21008cad091b46c79ed18242a925ab9279fc049b4e82f6944e4d6e815787b7f847b08ae3bba9bde60570aa96f58'
+        "https://github.com/${pkgbase}/${pkgbase}/releases/download/${pkgver}/Csound${pkgver}_manual_pdf.zip")
+sha512sums=('51a30cb426fc77ac648f6a9fb669b9298e6608b39ae3b12181d16ecf1fb6f2ed3db31471615a60d2ce7906b91fdb911b38c8dfa3f93699768f490f87a2bcbbbd'
             '53a8ae1e61db2a3a492930ef0f0881b613ae47108c5e8de0a6e2aa28bcf7a5c93c7fea8b7fc2bbae29ab92e1e68bf94ba406be1255ad8ab5725ea9078c1fd6dc'
-            'bf762db1079dde5b62f2bfe8ba649ac9e719b6ada535f3d67d048213133aeecb3caa3cb1e5bbf26fe78e4b1882e08be9bbea701bd49c914bfbf8d3ab7d83013b'
-            'eb287b9070c16d6cfbd890532d97eda34d72d8b5e5548a1a55ed7de91b2b913e04426cd50c94d0ac84221396002421077a5d22b3b67ce634c34a9aa1ceb53d9d'
-            '881bbdae5ab7fceb28199084173492eb8cc6477e72100739599e9d1448c607062efd1390b5cb19e03aeeae9c58eb608b61f36853dddb4d9141b86da31d00bc45'
-            'bf762db1079dde5b62f2bfe8ba649ac9e719b6ada535f3d67d048213133aeecb3caa3cb1e5bbf26fe78e4b1882e08be9bbea701bd49c914bfbf8d3ab7d83013b')
+            '87de3efc9aba736751d5bd93bb7bb9d47a3fc4c2e9df4552c9c1f3030f84e1aa29fa421f5360a22993cf0f6f7baae1d70bfb54201e5110f44f5a8c81d955deb5'
+            '30a55ec2c3ab0e243ac48a081954bea1f8fa653d25c908383c49a879972b94ba2ce7c3b3b0701be18ace28dc7fd199597d889fa1f9e5aca478792b835909c8fa')
 
 prepare() {
   cd "${pkgbase}-${pkgver}"
-  patch -Np1 -i ../fluidsynth2.patch
   mkdir build
-
 }
 
 build() {
@@ -51,13 +44,13 @@ build() {
         -DCMAKE_CXX_FLAGS="-Wno-error -Wno-missing-field-initializers -DPFFFT_SIMD_DISABLE" \
         -DCMAKE_C_FLAGS="-Wno-error -Wno-missing-field-initializers -DPFFFT_SIMD_DISABLE" \
         -DBUILD_JAVA_INTERFACE=0 \
-        -DLUA_MODULE_INSTALL_DIR=/usr/lib/lua/5.1/ \
-        -DLUAJIT_LIBRARY=/usr/lib/libluajit-5.1.so \
-        -DLUA_H_PATH=/usr/include/luajit-2.0/ \
+        -DLUA_LIBRARY=/usr/lib/liblua.so \
         -DPYTHON_MODULE_INSTALL_DIR=/usr/lib/python2.7/site-packages \
         -DBUILD_STATIC_LIBRARY=ON \
+        -DBUILD_ABLETON_LINK_OPCODES=ON \
+        -DABLETON_LINK_HOME=/usr/include/ableton \
         ..
-  make
+  make VERBOSE=1
 }
 
 check() {
@@ -67,15 +60,25 @@ check() {
 
 package_csound() {
   groups=('pro-audio')
-  depends=('fluidsynth' 'git' 'hdf5' 'liblo' 'libmusicxml' 'libwebsockets'
-  'luajit' 'portmidi' 'portsmf' 'stk' 'tk' 'wiiuse')
-  optdepends=('csound-doc: The canonical Csound Reference Manual'
-              'csoundqt: Qt frontend'
-              'fltk: fltk GUIs'
-              'faust: Embed faust'
-              'java-runtime=8: Use csound with Java'
-              'python2: python opcodes'
-              'vim-csound: Use csound with vim')
+  depends=('curl' 'libsndfile')
+  optdepends=('alsa-lib: librtalsa opcode'
+              'csound-doc: The canonical Csound Reference Manual'
+              'csoundqt: frontend/ editor with integrated help'
+              'fltk: libvirtual/libwidgets opcode'
+              'faust: libfaustcsound opcode'
+              'fluidsynth: libfluidsynth opcode'
+              'hdf5: hdf5ops opcode'
+              'jack: libjacko, librtjack, libjackTransport opcode'
+              'java-runtime: java integration'
+              'liblo: OSC opcode'
+              'libpulse: librtpulse opcode'
+              'libwebsockets: libwebsocketIO opcode'
+              'lua: LUA integration'
+              'portmidi: libpmidi opcode'
+              'python2: libpy opcode/ python2 integration'
+              'stk: stk opcode'
+              'vim-csound: vim integration'
+              'wiiuse: wiimote opcode')
   cd "${pkgname}-${pkgver}/build"
   make DESTDIR="${pkgdir}/" install
 
diff --git a/community/csound/fluidsynth2.patch b/community/csound/fluidsynth2.patch
deleted file mode 100644
index 64d55d0b4..000000000
--- a/community/csound/fluidsynth2.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-diff -ruN a/Opcodes/fluidOpcodes/fluidOpcodes.cpp b/Opcodes/fluidOpcodes/fluidOpcodes.cpp
---- a/Opcodes/fluidOpcodes/fluidOpcodes.cpp	2018-11-07 15:05:23.000000000 +0100
-+++ b/Opcodes/fluidOpcodes/fluidOpcodes.cpp	2019-01-25 17:59:40.572147743 +0100
-@@ -208,6 +208,7 @@
-     } else if (listPresets) {
-       fluid_sfont_t *fluidSoundfont =
-           fluid_synth_get_sfont_by_id(fluidSynth, soundFontId);
-+#if FLUIDSYNTH_VERSION_MAJOR < 2
-       fluid_preset_t fluidPreset;
-       fluidSoundfont->iteration_start(fluidSoundfont);
-       OPARMS oparms;
-@@ -218,6 +219,19 @@
-               soundFontId, fluidPreset.get_banknum(&fluidPreset),
-               fluidPreset.get_num(&fluidPreset),
-               fluidPreset.get_name(&fluidPreset));
-+#else
-+      fluid_preset_t *fluidPreset;
-+      fluid_sfont_iteration_start(fluidSoundfont);
-+      OPARMS oparms;
-+      csound->GetOParms(csound, &oparms);
-+      if (oparms.msglevel & 0x7)
-+        while (fluidPreset = fluid_sfont_iteration_next(fluidSoundfont))
-+        {
-+          log(csound, "SoundFont: %3d  Bank: %3d  Preset: %3d  %s\n",
-+              soundFontId, fluid_preset_get_banknum(fluidPreset),
-+              fluid_preset_get_num(fluidPreset),
-+              fluid_preset_get_name(fluidPreset));
-+#endif
-         }
-     }
-     return result;
-@@ -279,6 +293,7 @@
-       toa(iFluidSynth, fluidSynth);
-       fluid_sfont_t *fluidSoundfont =
-         fluid_synth_get_sfont(fluidSynth, 0);
-+#if FLUIDSYNTH_VERSION_MAJOR < 2
-       fluid_preset_t fluidPreset;
-       fluidSoundfont->iteration_start(fluidSoundfont);
-       OPARMS oparms;
-@@ -290,6 +305,19 @@
-             ss << "Bank: " << fluidPreset.get_banknum(&fluidPreset) <<
-               " Preset: " << fluidPreset.get_num(&fluidPreset) <<
-                 " Name: " << fluidPreset.get_name(&fluidPreset);
-+#else
-+      fluid_preset_t *fluidPreset;
-+      fluid_sfont_iteration_start(fluidSoundfont);
-+      OPARMS oparms;
-+      csound->GetOParms(csound, &oparms);
-+      if (oparms.msglevel & 0x7)
-+        while (fluidPreset = fluid_sfont_iteration_next(fluidSoundfont))
-+          {
-+            std::stringstream ss;
-+            ss << "Bank: " << fluid_preset_get_banknum(fluidPreset) <<
-+              " Preset: " << fluid_preset_get_num(fluidPreset) <<
-+                " Name: " << fluid_preset_get_name(fluidPreset);
-+#endif
-           programs.push_back(ss.str());
-         }
-