pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-18568-24CountryDances_1809_Cahusac_FTM.ps) >>/Users/jc/w/tmp/Tune-18568-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/24CountryDances_1809_Cahusac_FTM.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_18568.log 970 Log file, useful mostly for debugging
Tune-18568-24CountryDances_1809_Cahusac_FTM.abc 12040 ABC music file with the extracted tune(s)
Tune-18568-24CountryDances_1809_Cahusac_FTM.ps 122436 PostScript
Tune-18568-24CountryDances_1809_Cahusac_FTM.txt 12040 Plain-text file with the extracted tune(s)
Tune-18568-get.log 18981 Log file, useful mostly for debugging
These files should be available for 24 hours.