Stuck on gpio pin clear-load-play-list

[avior]

hi

when i do this "  mpc,load, Mp3 "  it works and load the new play list but can,t get it play and clear the old list 

I tried this as well but don`t seem to work

mpc,clear,load, Mp3 ,play
mpc,clear, mpc,load,Mp3, play

any ideas

thanks