tkrhythm.html describes what this program does.
You can download the latest version of tkrhythm here
tkrhythm.tar.gz | source code for any system |     0.76 | September 10 2008 |
tkrhythm_setup.exe | windows 2000/XP self install |     0.76 | September 10 2008 |
tkrhythm.kit | other operating systems not including tcl/tk |     0.76 | Septmeber 15 2007 |
New: interchanged the glyphs t3G2-G2G2.gif and t3G2G2-G2.gif.