You can do octave splits on diatonic of 1 to 3 holes blocked with the tongue. Listen to the stuff Sam Hinton recorded for good examples of splits ranging from 5ths to 10ths. I never heard anyone else like him. Glenn Weiser Email: banjoandguitar100 at xxxxx Web: www.celticguitarmusic.com CallSend SMSAdd to SkypeYou'll need Skype CreditFree via Skype F