pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1944-4358_Petticoat_tight.ps) >>/Users/jc/w/tmp/Tune-1944-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ACMV/4358_Petticoat_tight.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_19441.log 145384 Log file, useful mostly for debugging
Coll_19444.log 295571 Log file, useful mostly for debugging
Coll_19447.log 263256 Log file, useful mostly for debugging
Form_19443.log 968 Log file, useful mostly for debugging
Form_19444.log 848 Log file, useful mostly for debugging
Form_19445.log 827 Log file, useful mostly for debugging
Tune-1944-4358_Petticoat_tight.abc 792 ABC music file with the extracted tune(s)
Tune-1944-4358_Petticoat_tight.ps 36093 PostScript
Tune-1944-4358_Petticoat_tight.txt 792 Plain-text file with the extracted tune(s)
Tune-1944-get.log 4632 Log file, useful mostly for debugging
Tune-19444-get.log 9039 Log file, useful mostly for debugging
Tune-19445-get.log 7979 Log file, useful mostly for debugging
These files should be available for 24 hours.