pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8519-Vals02.ps) >>/Users/jc/w/tmp/Tune-8519-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scand/Vals02.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_85197.log 535826 Log file, useful mostly for debugging
Find_85193.log 1253 Log file, useful mostly for debugging
Tune-8519-Vals02.abc 2101 ABC music file with the extracted tune(s)
Tune-8519-Vals02.ps 52895 PostScript
Tune-8519-Vals02.txt 2101 Plain-text file with the extracted tune(s)
Tune-8519-get.log 4226 Log file, useful mostly for debugging
These files should be available for 24 hours.