All of us Les, all of us. If you sing a song that you learned from someone else then you are a traditional musician.

Music and songs are never created in a vacuum. The only way a song can be written is for the writer to create it from his own experiences. And everyone's experience is drawn from the society (or tradition) in which they live.

Even the most avant garde musicians have to conform in some way to tradition or what they are writing isn't music.