pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16352-062_Just_so.ps) >>/Users/jc/w/tmp/Tune-16352-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Straight_Skillern/062_Just_so.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_16352.log 466023 Log file, useful mostly for debugging
Tune-16352-062_Just_so.abc 654 ABC music file with the extracted tune(s)
Tune-16352-062_Just_so.ps 33016 PostScript
Tune-16352-062_Just_so.txt 654 Plain-text file with the extracted tune(s)
Tune-16352-get.log 7439 Log file, useful mostly for debugging
These files should be available for 24 hours.