If I don't know how to read music can I still learn to play the Native American flute?

I can't read music. I've tried to learn how but it doesn't stick in my mind. I've enjoyed playing the Native American flute for more than fifteen years now without being able to read a note. I'm having a great time playing the flute. Beside the standard musical notation there is a simple system of musical notation for the Native American flute devised by Carlos Nakai called TABlature. For more information on tablature and many songs that have been transposed into TABlature you can do a web search.