+ PKG_PATH=/data/packages/NetBSD/trunk/x86_64/All /usr/tools/sbin/pkg_add -K /usr/pkg/pkgdb digest-20220214 x11-links-1.35 dos2unix-7.4.4 glib2-tools-2.76.5 mktools-20220614 cmake-3.27.6 pkgconf-2.0.3 cwrappers-20220403 checkperms-1.12 SDL2_mixer-2.0.4nb12 SDL2-2.28.3 SDL2_ttf-2.20.2nb1 hicolor-icon-theme-0.17nb1 libsodium-1.0.19
pkg_add: package `mktools-20220614' already recorded as installed
rhash-1.4.4: copying /usr/pkg/share/examples/rhash/rhashrc to /usr/pkg/etc/rhashrc
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
pkg_add: package `cwrappers-20220403' already recorded as installed
pkg_add: package `SDL2-2.28.3' was already installed as dependency, now marked as installed manually
No schema files found: doing nothing.
===========================================================================
$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

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