diff --git a/audio/nyquist/Makefile b/audio/nyquist/Makefile
index 8ab65c18f457..d4f2378be7a7 100644
--- a/audio/nyquist/Makefile
+++ b/audio/nyquist/Makefile
@@ -1,46 +1,46 @@
 PORTNAME=	nyquist
-DISTVERSION=	3.16
+DISTVERSION=	3.23
 CATEGORIES=	audio java
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${DISTVERSION}/
 DISTNAME=	nyqsrc${DISTVERSION:S/.//}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Language for sound synthesis and music composition (sound is broken) # likely caused by outdated bundled PortAudio, reported to upstream Apr 18, 2021
-WWW=		https://www.cs.cmu.edu/~music/music.software.html
+WWW=		https://www.cs.cmu.edu/~music/nyquist/
 
 LICENSE=	BSD3CLAUSE
 
 USES=		cmake java zip
 USE_CSTD=	c99
 USE_CXXSTD=	c++14
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
 CFLAGS+=	-Dulong=uint32_t -DXL_BIG_ENDIAN -DHAVE_SYS_SOUNDCARD_H
 CFLAGS+=	-fcommon # notified the author vie e-mail on 2021-04-29
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|nyquistDir = prefs.get("nyquist-dir", "");|nyquistDir = "${DATADIR}";|' ${WRKSRC}/jnyqide/MainFrame.java
 
 do-install:
 	# executable
 	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/ny ${STAGEDIR}${PREFIX}/bin
 	# runtime
 	${MKDIR} ${STAGEDIR}${DATADIR}
 	cd ${WRKSRC} && \
 		${COPYTREE_SHARE} runtime ${STAGEDIR}${DATADIR} && \
 		${COPYTREE_SHARE} lib ${STAGEDIR}${DATADIR} && \
 		${COPYTREE_SHARE} doc ${STAGEDIR}${DATADIR} && \
 		${COPYTREE_SHARE} demos ${STAGEDIR}${DATADIR}
 	# Java IDE
 	${INSTALL_DATA} ${WRKSRC}/jnyqide/jNyqIDE.jar ${STAGEDIR}${JAVAJARDIR}
 	@(echo "#!/bin/sh"; \
 	  echo ""; \
 	  echo "${JAVA} -jar ${JAVAJARDIR}/jNyqIDE.jar \""$$"@\"" \
 	) > ${STAGEDIR}${PREFIX}/bin/jny
 	@${CHMOD} +x ${STAGEDIR}${PREFIX}/bin/jny
 	# NyquistWords.txt
 	${MKDIR} ${STAGEDIR}${JAVAJARDIR}/jnyqide
 	${INSTALL_DATA} ${WRKSRC}/jnyqide/NyquistWords.txt ${STAGEDIR}${JAVAJARDIR}/jnyqide
 
 .include <bsd.port.mk>
diff --git a/audio/nyquist/distinfo b/audio/nyquist/distinfo
index 3115575f932e..eaf0918b3ab3 100644
--- a/audio/nyquist/distinfo
+++ b/audio/nyquist/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1618724946
-SHA256 (nyqsrc316.zip) = b37fd42290d82c265ff1c733f9d08ac211460ff48b8415758ab0034ef9af7916
-SIZE (nyqsrc316.zip) = 12788616
+TIMESTAMP = 1737281720
+SHA256 (nyqsrc323.zip) = d6d03c64b13a68f4af3b0f2eccea72b22f399c92e85e802b85dc98260a253cc8
+SIZE (nyqsrc323.zip) = 12822806
diff --git a/audio/nyquist/pkg-plist b/audio/nyquist/pkg-plist
index 7e028a2ab039..fe1ab96f52e9 100644
--- a/audio/nyquist/pkg-plist
+++ b/audio/nyquist/pkg-plist
@@ -1,183 +1,189 @@
 bin/jny
 bin/ny
 %%JAVAJARDIR%%/jNyqIDE.jar
 %%JAVAJARDIR%%/jnyqide/NyquistWords.txt
 %%DATADIR%%/demos/allewis/cmusic_pres.pdf
 %%DATADIR%%/demos/allewis/cmusic_pres.ppt
 %%DATADIR%%/demos/audio/demo-snd.aiff
 %%DATADIR%%/demos/audio/happy.wav
 %%DATADIR%%/demos/audio/labels.txt
 %%DATADIR%%/demos/audio/pv.wav
 %%DATADIR%%/demos/index.htm
+%%DATADIR%%/demos/osc/getosc.sal
+%%DATADIR%%/demos/osc/nyquistosc.py
 %%DATADIR%%/demos/pitch_change.htm
 %%DATADIR%%/demos/probability_distributions.htm
 %%DATADIR%%/demos/src/osc-test.lsp
 %%DATADIR%%/demos/src/test.mid
 %%DATADIR%%/demos/voice_synthesis.htm
 %%DATADIR%%/demos/warble_tutorial.htm
 %%DATADIR%%/demos/wind_tutorial.htm
 %%DATADIR%%/doc/arcsine-fig.gif
 %%DATADIR%%/doc/bernoulli-fig.gif
 %%DATADIR%%/doc/beta-fig.gif
 %%DATADIR%%/doc/bilateral-fig.gif
 %%DATADIR%%/doc/binomial-fig.gif
 %%DATADIR%%/doc/cauchy-fig.gif
 %%DATADIR%%/doc/exponential-fig.gif
 %%DATADIR%%/doc/fig1.gif
 %%DATADIR%%/doc/fig2.gif
 %%DATADIR%%/doc/fig3.gif
 %%DATADIR%%/doc/fig4.gif
 %%DATADIR%%/doc/fig5.gif
 %%DATADIR%%/doc/fig6.gif
 %%DATADIR%%/doc/foot.html
 %%DATADIR%%/doc/gamma-fig.gif
 %%DATADIR%%/doc/gaussian-fig.gif
 %%DATADIR%%/doc/geometric-fig.gif
 %%DATADIR%%/doc/guide.html
 %%DATADIR%%/doc/home.html
 %%DATADIR%%/doc/hyperbolic-fig.gif
 %%DATADIR%%/doc/indx.html
 %%DATADIR%%/doc/linear-fig.gif
 %%DATADIR%%/doc/logistic-fig.gif
 %%DATADIR%%/doc/moog-fig.gif
 %%DATADIR%%/doc/musicbib.html
 %%DATADIR%%/doc/nyquist-icon.png
 %%DATADIR%%/doc/nyquistman.pdf
 %%DATADIR%%/doc/nyquiststyle.css
 %%DATADIR%%/doc/part1.html
 %%DATADIR%%/doc/part10.html
 %%DATADIR%%/doc/part11.html
 %%DATADIR%%/doc/part12.html
 %%DATADIR%%/doc/part13.html
 %%DATADIR%%/doc/part14.html
 %%DATADIR%%/doc/part15.html
 %%DATADIR%%/doc/part16.html
 %%DATADIR%%/doc/part17.html
 %%DATADIR%%/doc/part18.html
 %%DATADIR%%/doc/part19.html
 %%DATADIR%%/doc/part2.html
 %%DATADIR%%/doc/part3.html
 %%DATADIR%%/doc/part4.html
 %%DATADIR%%/doc/part5.html
 %%DATADIR%%/doc/part6.html
 %%DATADIR%%/doc/part7.html
 %%DATADIR%%/doc/part8.html
 %%DATADIR%%/doc/part9.html
 %%DATADIR%%/doc/poisson-fig.gif
 %%DATADIR%%/doc/readme-linux.txt
+%%DATADIR%%/doc/readme-mac.txt
+%%DATADIR%%/doc/readme-win.txt
 %%DATADIR%%/doc/sdl-man.pdf
 %%DATADIR%%/doc/title.html
+%%DATADIR%%/lib/csvread.lsp
+%%DATADIR%%/lib/csvwrite.lsp
 %%DATADIR%%/lib/dist-test.lsp
 %%DATADIR%%/lib/distributions.lsp
 %%DATADIR%%/lib/examples.lsp
 %%DATADIR%%/lib/examples.sal
 %%DATADIR%%/lib/extensions.lsp
 %%DATADIR%%/lib/gnuplot.sal
 %%DATADIR%%/lib/grapheq.lsp
 %%DATADIR%%/lib/instruments.txt
+%%DATADIR%%/lib/json.sal
 %%DATADIR%%/lib/lpc.lsp
-%%DATADIR%%/lib/midishow.lsp
 %%DATADIR%%/lib/piano/att11025.pcm
 %%DATADIR%%/lib/piano/att16000.pcm
 %%DATADIR%%/lib/piano/att22050.pcm
 %%DATADIR%%/lib/piano/att32000.pcm
 %%DATADIR%%/lib/piano/att44100.pcm
 %%DATADIR%%/lib/piano/att48000.pcm
 %%DATADIR%%/lib/piano/att8000.pcm
 %%DATADIR%%/lib/piano/autoload.lsp
 %%DATADIR%%/lib/piano/demo.mid
 %%DATADIR%%/lib/piano/demo.mp3
 %%DATADIR%%/lib/piano/dur.tab
 %%DATADIR%%/lib/piano/gmax.tab
 %%DATADIR%%/lib/piano/piano.htm
 %%DATADIR%%/lib/piano/pianosyn.lsp
 %%DATADIR%%/lib/piano/pn00.cod
 %%DATADIR%%/lib/piano/pn01.cod
 %%DATADIR%%/lib/piano/pn02.cod
 %%DATADIR%%/lib/piano/pn03.cod
 %%DATADIR%%/lib/piano/pn04.cod
 %%DATADIR%%/lib/piano/pn05.cod
 %%DATADIR%%/lib/piano/pn06.cod
 %%DATADIR%%/lib/piano/pn07.cod
 %%DATADIR%%/lib/piano/pn08.cod
 %%DATADIR%%/lib/piano/pn09.cod
 %%DATADIR%%/lib/piano/pn10.cod
 %%DATADIR%%/lib/piano/pn11.cod
 %%DATADIR%%/lib/piano/pn12.cod
 %%DATADIR%%/lib/piano/pn13.cod
 %%DATADIR%%/lib/piano/pn14.cod
 %%DATADIR%%/lib/piano/pn15.cod
 %%DATADIR%%/lib/piano/pn16.cod
 %%DATADIR%%/lib/piano/pn17.cod
 %%DATADIR%%/lib/piano/pn18.cod
 %%DATADIR%%/lib/piano/pn19.cod
 %%DATADIR%%/lib/piano/pn20.cod
 %%DATADIR%%/lib/piano/pn21.cod
 %%DATADIR%%/lib/piano/pn22.cod
 %%DATADIR%%/lib/piano/rls11025.pcm
 %%DATADIR%%/lib/piano/rls16000.pcm
 %%DATADIR%%/lib/piano/rls22050.pcm
 %%DATADIR%%/lib/piano/rls32000.pcm
 %%DATADIR%%/lib/piano/rls44100.pcm
 %%DATADIR%%/lib/piano/rls48000.pcm
 %%DATADIR%%/lib/piano/rls8000.pcm
 %%DATADIR%%/lib/piano/rlsrate.tab
 %%DATADIR%%/lib/plugin-test.lsp
 %%DATADIR%%/lib/reverb.lsp
 %%DATADIR%%/lib/spectral-centroid.lsp
 %%DATADIR%%/lib/spectral-centroid.sal
 %%DATADIR%%/lib/spectrum.lsp
 %%DATADIR%%/lib/statistics.lsp
 %%DATADIR%%/lib/surround.lsp
 %%DATADIR%%/lib/time-delay-fns.lsp
 %%DATADIR%%/lib/vectors.lsp
 %%DATADIR%%/lib/xm-test.lsp
 %%DATADIR%%/runtime/dspprims.lsp
 %%DATADIR%%/runtime/envelopes.lsp
 %%DATADIR%%/runtime/equalizer.lsp
 %%DATADIR%%/runtime/evalenv.lsp
 %%DATADIR%%/runtime/fileio.lsp
 %%DATADIR%%/runtime/init.lsp
 %%DATADIR%%/runtime/misc.lsp
 %%DATADIR%%/runtime/nyinit-dbg.lsp
 %%DATADIR%%/runtime/nyinit.lsp
 %%DATADIR%%/runtime/nyqmisc.lsp
 %%DATADIR%%/runtime/nyquist-plot.txt
 %%DATADIR%%/runtime/nyquist.lsp
 %%DATADIR%%/runtime/printrec.lsp
 %%DATADIR%%/runtime/profile.lsp
 %%DATADIR%%/runtime/rawwaves/mand1.raw
 %%DATADIR%%/runtime/rawwaves/mand10.raw
 %%DATADIR%%/runtime/rawwaves/mand11.raw
 %%DATADIR%%/runtime/rawwaves/mand12.raw
 %%DATADIR%%/runtime/rawwaves/mand2.raw
 %%DATADIR%%/runtime/rawwaves/mand3.raw
 %%DATADIR%%/runtime/rawwaves/mand4.raw
 %%DATADIR%%/runtime/rawwaves/mand5.raw
 %%DATADIR%%/runtime/rawwaves/mand6.raw
 %%DATADIR%%/runtime/rawwaves/mand7.raw
 %%DATADIR%%/runtime/rawwaves/mand8.raw
 %%DATADIR%%/runtime/rawwaves/mand9.raw
 %%DATADIR%%/runtime/rawwaves/mandpluk.raw
 %%DATADIR%%/runtime/rawwaves/marmstk1.raw
 %%DATADIR%%/runtime/rawwaves/sinewave.raw
 %%DATADIR%%/runtime/sal-parse.lsp
 %%DATADIR%%/runtime/sal.lsp
 %%DATADIR%%/runtime/seq.lsp
 %%DATADIR%%/runtime/seqfnint.lsp
-%%DATADIR%%/runtime/seqmidi.lsp
 %%DATADIR%%/runtime/sliders.lsp
 %%DATADIR%%/runtime/sndfnint.lsp
 %%DATADIR%%/runtime/spec-plot.lsp
 %%DATADIR%%/runtime/spectral-analysis.lsp
 %%DATADIR%%/runtime/stk.lsp
 %%DATADIR%%/runtime/system.lsp
 %%DATADIR%%/runtime/test.lsp
 %%DATADIR%%/runtime/upic.sal
 %%DATADIR%%/runtime/velocity.lsp
 %%DATADIR%%/runtime/xlinit.lsp
 %%DATADIR%%/runtime/xm.lsp
+%%DATADIR%%/runtime/xmseq.lsp
 @dir %%DATADIR%%/demos/images
 @dir %%DATADIR%%/demos/mateos
 @dir %%DATADIR%%/demos/pmorales
 @dir %%DATADIR%%/demos/sdl