Can you replace by mpc toggle
mpc-pause was created to emulate the --pause-play command line feature found in xmms.
#!/bin/sh # vim: ft=sh MPC=/usr/bin/mpc if [ "$($MPC status | grep pause | cut -d ' ' -f1)" == "[paused]" ]; then $MPC play 1>/dev/null else $MPC pause 1>/dev/null fi
You can bind a key (using your desired method) to the Pause key on the keyboard, for example.
This is now done in mpc (known as mpc toggle)