Audio files won’t play in pool, the test tone will not play in pitch shifter, or audition play in sample editor, I’m sure I ran into this before, but can’t remember the solution, probably a preference, somebody hip me please. 
SX 3…? RTFM “Audition bus”
Thanks for the reply, these functions go first to the control room, I had my headphones assigned to the main mix. duuuh 