pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8440-Aird_vol2_abc1.ps) >>/Users/jc/w/tmp/Tune-8440-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Aird/Aird_vol2_abc1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-8440-Aird_vol2_abc1.abc 66871 ABC music file with the extracted tune(s)
Tune-8440-Aird_vol2_abc1.ps 928081 PostScript
Tune-8440-Aird_vol2_abc1.txt 66871 Plain-text file with the extracted tune(s)
Tune-8440-get.log 119178 Log file, useful mostly for debugging
Tune-84409-Hills_of_Curragh.abc 406 ABC music file with the extracted tune(s)
Tune-84409-Hills_of_Curragh.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-84409-Hills_of_Curragh.ps 34585 PostScript
Tune-84409-Hills_of_Curragh.txt 406 Plain-text file with the extracted tune(s)
Tune-84409-get.log 5550 Log file, useful mostly for debugging
These files should be available for 24 hours.