pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7298-Shottish16.ps) >>/Users/jc/w/tmp/Tune-7298-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/Shottish16.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_72983.log 747617 Log file, useful mostly for debugging
Coll_72985.log 305405 Log file, useful mostly for debugging
Tune-7298-Shottish16.abc 2640 ABC music file with the extracted tune(s)
Tune-7298-Shottish16.ps 54471 PostScript
Tune-7298-Shottish16.txt 2640 Plain-text file with the extracted tune(s)
Tune-7298-get.log 4351 Log file, useful mostly for debugging
Tune-72982-get.log 5058 Log file, useful mostly for debugging
Tune-72983-get.log 5929 Log file, useful mostly for debugging
Tune-72988-get.log 3705 Log file, useful mostly for debugging
These files should be available for 24 hours.