Abstract:
The purpose of this study was to make the body of Pey Or Modelization and investigate the values of Pey Or between Modelization and Symmetric Method. The sample of this study included 48 Pey Or s Players of kantruem folk bands in Surin during 1990 1993.
Tape recorder, Pey Ors bodies and questionaire which included values of Pey Or was diveded into 3 areas named as pattern, pitch and implementation, were employed in data colleation and analysis.
The result of the study revealed that the best pattern in length of Pey Ors pipe was 28 centimeters. The diameter inner of pipe was 0.9 centimeter. The diameter of finger holes were 0.6 centimeter and hole spacing was 2.5 centimeters from top to bottom of its body. The thumb hole was between 6 th and 7 th holes in the back. The pitchs of Pey Or were between a c in western scale.
Subsequent to this, there were significant difference at .01 level in values of Pey Or between Pey Or Modelization and Symmetric Method concerning every area as required by Pey Or players.