I use a sequencer most days and I'm usually doing arrangements of Trad stuff. It's made me a better musician, and allows me to listen to ideas before I can play them.
I also use a Deger Electronic Pipe which allows me to practice on the bus or train using earphones, and in my Ceilidh band in any Key. It has a midi out and I play the Mozart Rondo on the French horn sound of my Mu90.
Of cause I still play the big Pipes; the electronics enhancing my ability to learn tunes tremendously.

All the best PP