pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8103-GlasgowGaelicClub.ps) >>/Users/jc/w/tmp/Tune-8103-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/GlasgowGaelicClub.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_81035.log 281520 Log file, useful mostly for debugging
Coll_81039.log 122016 Log file, useful mostly for debugging
Tune-8103-GlasgowGaelicClub.abc 1126 ABC music file with the extracted tune(s)
Tune-8103-GlasgowGaelicClub.ps 39666 PostScript
Tune-8103-GlasgowGaelicClub.txt 1126 Plain-text file with the extracted tune(s)
Tune-8103-get.log 5037 Log file, useful mostly for debugging
Tune-81032-Vals09.abc 1697 ABC music file with the extracted tune(s)
Tune-81032-Vals09.ps 47898 PostScript
Tune-81032-Vals09.txt 1697 Plain-text file with the extracted tune(s)
Tune-81032-get.log 4338 Log file, useful mostly for debugging
Tune-81033-Pols_Follinge3.abc 1991 ABC music file with the extracted tune(s)
Tune-81033-Pols_Follinge3.pdf 56354 Portable Data Format
Tune-81033-Pols_Follinge3.ps 60642 PostScript
Tune-81033-Pols_Follinge3.txt 1991 Plain-text file with the extracted tune(s)
Tune-81033-get.log 5339 Log file, useful mostly for debugging
These files should be available for 24 hours.