diff --git a/Golden_Repo/f/FLAC/FLAC-1.3.4-GCCcore-11.3.0.eb b/Golden_Repo/f/FLAC/FLAC-1.3.4-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..d623911e08f1e097ebec9bfea745c931022bbcf8
--- /dev/null
+++ b/Golden_Repo/f/FLAC/FLAC-1.3.4-GCCcore-11.3.0.eb
@@ -0,0 +1,30 @@
+easyblock = 'ConfigureMake'
+
+name = 'FLAC'
+version = '1.3.4'
+
+homepage = 'https://xiph.org/flac/'
+description = """FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning
+that audio is compressed in FLAC without any loss in quality."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+source_urls = ['https://ftp.osuosl.org/pub/xiph/releases/flac/']
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['8ff0607e75a322dd7cd6ec48f4f225471404ae2730d0ea945127b1355155e737']
+
+builddependencies = [('binutils', '2.38')]
+
+dependencies = [('libogg', '1.3.5')]
+
+configopts = '--enable-static --enable-shared'
+
+sanity_check_paths = {
+    'files': ['bin/flac', 'lib/libFLAC.a', 'lib/libFLAC++.a',
+              'lib/libFLAC.%s' % SHLIB_EXT, 'lib/libFLAC++.%s' % SHLIB_EXT],
+    'dirs': ['include/FLAC', 'include/FLAC++'],
+}
+
+sanity_check_commands = ["flac --help"]
+
+moduleclass = 'lib'
diff --git a/Golden_Repo/l/libgit2/libgit2-1.4.3-GCCcore-11.3.0.eb b/Golden_Repo/l/libgit2/libgit2-1.4.3-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..24bafd95d41184f96e4902efd3175cc7602e0a68
--- /dev/null
+++ b/Golden_Repo/l/libgit2/libgit2-1.4.3-GCCcore-11.3.0.eb
@@ -0,0 +1,34 @@
+easyblock = 'CMakeMake'
+
+name = 'libgit2'
+version = '1.4.3'
+
+homepage = 'https://libgit2.org/'
+description = """libgit2 is a portable, pure C implementation of the Git core methods provided as a re-entrant
+linkable library with a solid API, allowing you to write native speed custom Git applications in any language
+which supports C bindings."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+github_account = 'libgit2'
+source_urls = [GITHUB_SOURCE]
+sources = [{'download_filename': 'v%(version)s.tar.gz', 'filename': SOURCE_TAR_GZ}]
+checksums = ['f48b961e463a9e4e7e7e58b21a0fb5a9b2a1d24d9ba4d15870a0c9b8ad965163']
+
+builddependencies = [
+    ('binutils', '2.38'),
+    ('CMake', '3.23.1'),
+    ('pkgconf', '1.8.0'),
+]
+
+dependencies = [
+    ('PCRE', '8.45'),
+    ('OpenSSL', '1.1', '', SYSTEM),
+]
+
+sanity_check_paths = {
+    'files': ['include/git2.h', 'lib64/libgit2.%s' % SHLIB_EXT, 'lib64/pkgconfig/libgit2.pc'],
+    'dirs': []
+}
+
+moduleclass = 'devel'
diff --git a/Golden_Repo/l/libogg/libogg-1.3.5-GCCcore-11.3.0.eb b/Golden_Repo/l/libogg/libogg-1.3.5-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..a669900c9a98b27bd7a712f4dbc70b9224f19c9f
--- /dev/null
+++ b/Golden_Repo/l/libogg/libogg-1.3.5-GCCcore-11.3.0.eb
@@ -0,0 +1,25 @@
+easyblock = 'ConfigureMake'
+
+name = 'libogg'
+version = '1.3.5'
+
+homepage = 'https://xiph.org/ogg/'
+description = """Ogg is a multimedia container format, and the native file and stream format for the Xiph.org
+multimedia codecs."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+source_urls = ['https://ftp.osuosl.org/pub/xiph/releases/ogg/']
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['c4d91be36fc8e54deae7575241e03f4211eb102afb3fc0775fbbc1b740016705']
+
+builddependencies = [('binutils', '2.38')]
+
+configopts = '--enable-static --enable-shared'
+
+sanity_check_paths = {
+    'files': ['lib/libogg.a', 'lib/libogg.%s' % SHLIB_EXT],
+    'dirs': ['include/ogg'],
+}
+
+moduleclass = 'lib'
diff --git a/Golden_Repo/l/libopus/libopus-1.3.1-GCCcore-11.3.0.eb b/Golden_Repo/l/libopus/libopus-1.3.1-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..d1024546ca004ae33844c8a956fb99305232449b
--- /dev/null
+++ b/Golden_Repo/l/libopus/libopus-1.3.1-GCCcore-11.3.0.eb
@@ -0,0 +1,32 @@
+easyblock = 'ConfigureMake'
+
+name = 'libopus'
+version = '1.3.1'
+
+homepage = 'https://www.opus-codec.org/'
+description = """Opus is a totally open, royalty-free, highly versatile audio codec. Opus is unmatched for interactive
+ speech and music transmission over the Internet, but is also intended for storage and streaming applications. It is
+ standardized by the Internet Engineering Task Force (IETF) as RFC 6716 which incorporated technology from Skype’s
+ SILK codec and Xiph.Org’s CELT codec."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+source_urls = ['https://archive.mozilla.org/pub/opus/']
+sources = ['opus-%(version)s.tar.gz']
+checksums = ['65b58e1e25b2a114157014736a3d9dfeaad8d41be1c8179866f144a2fb44ff9d']
+
+builddependencies = [
+    ('binutils', '2.38'),
+    ('pkgconf', '1.8.0'),
+]
+
+dependencies = []
+
+configopts = '--enable-static --enable-shared'
+
+sanity_check_paths = {
+    'files': ['lib/libopus.a', 'lib/libopus.%s' % SHLIB_EXT],
+    'dirs': ['include/opus'],
+}
+
+moduleclass = 'lib'
diff --git a/Golden_Repo/l/libsndfile/libsndfile-1.1.0-GCCcore-11.3.0.eb b/Golden_Repo/l/libsndfile/libsndfile-1.1.0-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..abf301e8aed425dba80ec4f44f34735c0a1ee91a
--- /dev/null
+++ b/Golden_Repo/l/libsndfile/libsndfile-1.1.0-GCCcore-11.3.0.eb
@@ -0,0 +1,36 @@
+easyblock = 'CMakeMake'
+
+name = 'libsndfile'
+version = '1.1.0'
+
+homepage = 'http://www.mega-nerd.com/libsndfile'
+description = """Libsndfile is a C library for reading and writing files containing sampled sound
+ (such as MS Windows WAV and the Apple/SGI AIFF format) through one standard library interface."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+source_urls = ['https://github.com/libsndfile/libsndfile/releases/download/%(version)s/']
+sources = [SOURCE_TAR_XZ]
+checksums = ['0f98e101c0f7c850a71225fb5feaf33b106227b3d331333ddc9bacee190bcf41']
+
+builddependencies = [
+    ('binutils', '2.38'),
+    ('pkgconf', '1.8.0'),
+    ('CMake', '3.23.1'),
+]
+
+dependencies = [
+    ('FLAC', '1.3.4'),
+    ('libvorbis', '1.3.7'),
+    ('libopus', '1.3.1'),
+    ('LAME', '3.100'),
+]
+
+configopts = ['', '-DBUILD_SHARED_LIBS=ON']
+
+sanity_check_paths = {
+    'files': ['include/sndfile.h', 'include/sndfile.hh', 'lib/libsndfile.a', 'lib/libsndfile.%s' % SHLIB_EXT],
+    'dirs': ['bin'],
+}
+
+moduleclass = 'lib'
diff --git a/Golden_Repo/l/libvorbis/libvorbis-1.3.7-GCCcore-11.3.0.eb b/Golden_Repo/l/libvorbis/libvorbis-1.3.7-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..d16d07686262dd3af23545ef0a2571c7bdc3ad71
--- /dev/null
+++ b/Golden_Repo/l/libvorbis/libvorbis-1.3.7-GCCcore-11.3.0.eb
@@ -0,0 +1,30 @@
+easyblock = 'ConfigureMake'
+
+name = 'libvorbis'
+version = '1.3.7'
+
+homepage = 'https://xiph.org/vorbis/'
+description = """Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed
+audio format"""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+source_urls = ['https://ftp.osuosl.org/pub/xiph/releases/vorbis/']
+sources = [SOURCE_TAR_XZ]
+checksums = ['b33cc4934322bcbf6efcbacf49e3ca01aadbea4114ec9589d1b1e9d20f72954b']
+
+builddependencies = [
+    ('binutils', '2.38'),
+    ('pkgconf', '1.8.0'),
+]
+
+dependencies = [('libogg', '1.3.5')]
+
+configopts = '--enable-static --enable-shared'
+
+sanity_check_paths = {
+    'files': ['lib/libvorbis.a', 'lib/libvorbis.%s' % SHLIB_EXT],
+    'dirs': ['include/vorbis'],
+}
+
+moduleclass = 'lib'
diff --git a/acls.yml b/acls.yml
index a2a2a1a4b4123c453ea775f0ac1c8c7650245c58..bbe04baa1f03375ba945c06441f16fd9f477d80a 100644
--- a/acls.yml
+++ b/acls.yml
@@ -639,6 +639,9 @@ software:
   - name: 'libjpeg-turbo'
     owner: 'strube1'
     base: True
+  - name: 'libopus'
+    owner: 'strube1'
+    base: True
   - name: 'librosa'
     owner: 'strube1'
     base: True