Hello,
Anytune does not have a specific vocal reduction mode at this time. It is on our list of things do – we just haven’t found an algorithm that we’re happy with yet.
In the meantime, the best Anytune can do would be to use the EQ to try and reduce some of the frequencies in the vocal range. Or alternatively use a tool like Audacity to create vocal removed tracks, and then use those tracks with Anytune.
Sean.