+ PKG_PATH=/nfs/packages/NetBSD/trunk/x86_64/All /usr/tools/sbin/pkg_add -K /usr/pkg/pkgdb digest-20220214 x11-links-1.35 dos2unix-7.4.3nb1 nasm-2.15.05nb2 glib2-tools-2.74.1 mktools-20220614 automake-1.16.5nb2 autoconf-2.71nb2 pkgconf-1.8.0 cwrappers-20220403 checkperms-1.12 ffmpeg4-4.4.3nb2 fluidsynth-2.3.0 SDL2-2.26.0 physfs-3.0.2 png-1.6.38 SDL2_net-2.2.0nb1 libslirp-4.7.0nb1
libffi-3.4.4: registering info file /usr/pkg/info/libffi.info
pkg_add: package `mktools-20220614' already recorded as installed
m4-1.4.19nb1: registering info file /usr/pkg/info/m4.info
automake-1.16.5nb2: registering info file /usr/pkg/info/automake-history.info
automake-1.16.5nb2: registering info file /usr/pkg/info/automake.info
autoconf-2.71nb2: registering info file /usr/pkg/info/autoconf.info
autoconf-2.71nb2: registering info file /usr/pkg/info/standards.info
pkg_add: package `cwrappers-20220403' already recorded as installed
No schema files found: doing nothing.
fftw-3.3.10nb1: registering info file /usr/pkg/info/fftw3.info
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.etc.sgml to /usr/pkg/etc/sgml/catalog
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.etc.xml to /usr/pkg/etc/xml/catalog
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.share.sgml to /usr/pkg/share/sgml/catalog
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.share.xml to /usr/pkg/share/xml/catalog
libgpg-error-1.46: registering info file /usr/pkg/info/gpgrt.info
libgcrypt-1.10.1: registering info file /usr/pkg/info/gcrypt.info
pkg_add: package `png-1.6.38' was already installed as dependency, now marked as installed manually
===========================================================================
$NetBSD: MESSAGE.NetBSD,v 1.3 2021/09/08 19:19:19 nia Exp $

To start JACK on NetBSD:

$ jackd -Sr -d sun

If you have an external USB mic:

$ jackd -Sr -d sun -P /dev/audio -C /dev/audio1 -i 1

===========================================================================