pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7058-GarryStr.ps) >>/Users/jc/w/tmp/Tune-7058-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/GarryStr.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-7058-GarryStr.abc 1606 ABC music file with the extracted tune(s)
Tune-7058-GarryStr.ps 51376 PostScript
Tune-7058-GarryStr.txt 1606 Plain-text file with the extracted tune(s)
Tune-7058-get.log 4716 Log file, useful mostly for debugging
Tune-70582-get.log 3254 Log file, useful mostly for debugging
Tune-70584-Rowing_from_Islay_to_Uist_2-Bm-32-2.abc 689 ABC music file with the extracted tune(s)
Tune-70584-Rowing_from_Islay_to_Uist_2-Bm-32-2.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-70584-Rowing_from_Islay_to_Uist_2-Bm-32-2.ps 33825 PostScript
Tune-70584-Rowing_from_Islay_to_Uist_2-Bm-32-2.txt 689 Plain-text file with the extracted tune(s)
Tune-70584-get.log 7063 Log file, useful mostly for debugging
Tune-70585-get.log 5011 Log file, useful mostly for debugging
Tune-70588-get.log 2960 Log file, useful mostly for debugging
Tune-70589-get.log 2836 Log file, useful mostly for debugging
These files should be available for 24 hours.