I can repro finally with a script, so with this:
mpc insert "a Song"
sleep 0.1
mpc next
That work in my case. moOde is sync with mpd .You can increased the sleep if it doesn't work for u.
mpc insert "a Song"
sleep 0.1
mpc next
That work in my case. moOde is sync with mpd .You can increased the sleep if it doesn't work for u.
