kgunn72@localhost:~$ pulseaudio.paplay ACDC_-_Back_In_Black-sample.ogg 
Connection failure: Connection refused
pa_context_connect() failed: Connection refused
/snap/pulseaudio/x1/usr/bin/paplay: symbol lookup error: /snap/pulseaudio/x1/usr/lib/libpulse.so.0: undefined symbol: pa_in_valgrind
kgunn72@localhost:~$ snap interfaces
Slot                    Plug
:alsa                   -
:bluetooth-control      -
:camera                 -
:dcdbas-control         -
:docker-support         -
:firewall-control       -
:fuse-support           -
:hardware-observe       -
:home                   -
:kernel-module-control  -
:locale-control         -
:log-observe            -
:lxd-support            -
:mount-observe          -
:network                mir-kiosk-apps
:network-bind           -
:network-control        -
:network-observe        -
:network-setup-observe  -
:opengl                 mir-kiosk,mir-kiosk-apps
:ppp                    -
:process-control        -
:raw-usb                -
:removable-media        -
:shutdown               -
:snapd-control          -
:system-observe         -
:system-trace           -
:time-control           -
:timeserver-control     -
:timezone-control       -
:tpm                    -
mir-kiosk:mir           mir-kiosk-apps
mir-libs:mir-libs       mir-kiosk,mir-kiosk-apps
pulseaudio:service      pulseaudio:client
-                       pulseaudio:home