Hi Dnj
I have backing tracks for my piano playing (use an Ipad for it) but do very little piano solo these days. Right now I´m working with a singer that no follow rules, and I enjoy that!! the spontaneity of real time playing is important to us and doing latin music, specially for dance, is all about: We interact a lot with people so an arranger is a must.

I´m aware of the possibilities in PA3X but seems that I need to work a LOT before playing live with it.

Once again, Thanks a lot for the comments and the help, guys!!!
Best Regards
Jo