pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7819-KarinsStrathspey.ps) >>/Users/jc/w/tmp/Tune-7819-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/KarinsStrathspey.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_78194.log 999141 Log file, useful mostly for debugging
Coll_78196.log 282925 Log file, useful mostly for debugging
Tune-7819-KarinsStrathspey.abc 2340 ABC music file with the extracted tune(s)
Tune-7819-KarinsStrathspey.ps 55281 PostScript
Tune-7819-KarinsStrathspey.txt 2340 Plain-text file with the extracted tune(s)
Tune-7819-get.log 10834 Log file, useful mostly for debugging
Tune-78197-Machar.abc 1092 ABC music file with the extracted tune(s)
Tune-78197-Machar.pdf 26241 Portable Data Format
Tune-78197-Machar.ps 41969 PostScript
Tune-78197-Machar.txt 1092 Plain-text file with the extracted tune(s)
Tune-78197-get.log 5419 Log file, useful mostly for debugging
Tune-78199-HineMaTov2.abc 1053 ABC music file with the extracted tune(s)
Tune-78199-HineMaTov2.pdf 21239 Portable Data Format
Tune-78199-HineMaTov2.ps 36731 PostScript
Tune-78199-HineMaTov2.txt 1053 Plain-text file with the extracted tune(s)
Tune-78199-get.log 5132 Log file, useful mostly for debugging
These files should be available for 24 hours.