pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6143-ForestersHornpipe.ps) >>/Users/jc/w/tmp/Tune-6143-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/ForestersHornpipe.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_61430.log 159067 Log file, useful mostly for debugging
Tune-6143-ForestersHornpipe.abc 436 ABC music file with the extracted tune(s)
Tune-6143-ForestersHornpipe.ps 36599 PostScript
Tune-6143-ForestersHornpipe.txt 436 Plain-text file with the extracted tune(s)
Tune-6143-get.log 4668 Log file, useful mostly for debugging
Tune-61430-get.log 4368 Log file, useful mostly for debugging
Tune-61433-get.log 3214 Log file, useful mostly for debugging
Tune-61435-24CountryDances_1766_Johnson.abc 165 ABC music file with the extracted tune(s)
Tune-61435-24CountryDances_1766_Johnson.ps 6 PostScript
Tune-61435-24CountryDances_1766_Johnson.txt 165 Plain-text file with the extracted tune(s)
Tune-61435-get.log 4490 Log file, useful mostly for debugging
Tune-61436-get.log 5315 Log file, useful mostly for debugging
Tune-61438-get.log 5398 Log file, useful mostly for debugging
These files should be available for 24 hours.