I studied from 12 to 14 years the piano while chowing down the basics of music theory.
In the army, I learned bass Eb, and many parade!
Then many years later joined with harmony, with a tuba in C, I took courses instruments, conservatory. Seriously and followed courses in harmony and counterpoint. Was the period where I stop playing an instrument to devote myself to the compositions and arrangements. I take a lot of pleasure ...