pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-18009-21922_SIR_J_HENDERSONS_JIG.ps) >>/Users/jc/w/tmp/Tune-18009-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21922_SIR_J_HENDERSONS_JIG.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_18009.log 2044 Log file, useful mostly for debugging
Tune-18009-21922_SIR_J_HENDERSONS_JIG.abc 593 ABC music file with the extracted tune(s)
Tune-18009-21922_SIR_J_HENDERSONS_JIG.ps 36368 PostScript
Tune-18009-21922_SIR_J_HENDERSONS_JIG.txt 593 Plain-text file with the extracted tune(s)
Tune-18009-get.log 4842 Log file, useful mostly for debugging
These files should be available for 24 hours.