pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7386-24CountryDances_1809_Cahusac_FTM.ps) >>/Users/jc/w/tmp/Tune-7386-get.log 2>&1" returned status 256
http://john-chambers.us/~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
Coll_73860.log 775194 Log file, useful mostly for debugging
Tune-7386-24CountryDances_1809_Cahusac_FTM.abc 12040 ABC music file with the extracted tune(s)
Tune-7386-24CountryDances_1809_Cahusac_FTM.ps 122435 PostScript
Tune-7386-24CountryDances_1809_Cahusac_FTM.txt 12040 Plain-text file with the extracted tune(s)
Tune-7386-get.log 18962 Log file, useful mostly for debugging
Tune-73863-get.log 4546 Log file, useful mostly for debugging
Tune-73865-get.log 6665 Log file, useful mostly for debugging
Tune-73868-get.log 3526 Log file, useful mostly for debugging
These files should be available for 24 hours.