echo off echo Polyphonic Music version 1.20: echo. if "%1"=="" goto noparam makepoly %1 %3 if errorlevel 1 goto end playkb %1 %2 goto end :noparam echo This batch file compiles a ".sng" file then plays the corresponding echo ".ply" file created. (Use "" for a blank parameter). echo 1st parameter = the name of the ".sng" file. echo 2nd parameter = the song's play tempo (/s will check for processor speed) echo 3rd parameter = the frequency value to use for Middle C (use a '/') echo This batch file will only work for ".sng" files! echo. echo Example: makeplay invent13 /s /337 (/s will figure tempo at run time) echo. :end