Its the musicians on stage who determine the success of the gig for the most part... whether it's one solo performer with tracks or a 10 piece band with a horn section.

Audience rapport.

I saw a 2 piece band who were early adapters of the MIDI revolution. Everything was played live but the "band" was sequenced. Lights, FX, piano, etc were all midi controlled. They kept the floor packed and people dancing.

I saw Mike Cross, solo guitar/fiddle/singer.... all by his lonesome on a huge stage. No backing, no sequencing, nothing electronic except the PA. He also kept the audience totally involved.

On the other hand, I've seen whole bands who would have been more entertaining and engaging had they just stood there and picked their noses.

As I see it, if the tracks ADD to the show or the song, just do it.

You can find my music at:
www.herbhartley.com
Add nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.

The magic you are looking for is in the work you are avoiding.