Of course it's "written on a PC or a Mac" (or even an ST!) - you have to run Cuebase on something! Of course that PC or Mac is also connected to a huge array of analog synths, wavestations, samplers and effect processors.

It's not uncommon for trance artists to also use live instruments, for example Raja Ram of Shpongle is a classical flautist.

I'd be happy to continue the debate in the Off Topic forum

Rob