You can't get a sliding harmonc by sliding a fingewr. They are specific to specific frets determined by string length. Once you move a slide you've also no longber got harmonics in the sense that you mean them by positioning a finger or slide at the 4579 positions on the fret board. Tom Tom Brennan KD5VIJ, CCC-A/SLP web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html