pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7964-MacDonaldsSkyeWedding0.ps) >>/Users/jc/w/tmp/Tune-7964-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/MacDonaldsSkyeWedding0.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_79641.log 516156 Log file, useful mostly for debugging
Tune-7964-MacDonaldsSkyeWedding0.abc 219 ABC music file with the extracted tune(s)
Tune-7964-MacDonaldsSkyeWedding0.ps 32085 PostScript
Tune-7964-MacDonaldsSkyeWedding0.txt 219 Plain-text file with the extracted tune(s)
Tune-7964-get.log 4649 Log file, useful mostly for debugging
Tune-79645-HalloweenJigs.abc 4810 ABC music file with the extracted tune(s)
Tune-79645-HalloweenJigs.pdf 97151 Portable Data Format
Tune-79645-HalloweenJigs.ps 72136 PostScript
Tune-79645-HalloweenJigs.txt 4810 Plain-text file with the extracted tune(s)
Tune-79645-get.log 10440 Log file, useful mostly for debugging
These files should be available for 24 hours.