pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58506-BouzerCastle_PLFD1679_221.ps) >>/Users/jc/w/tmp/Tune-58506-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/BouzerCastle_PLFD1679_221.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-58506-BouzerCastle_PLFD1679_221.abc 376 ABC music file with the extracted tune(s)
Tune-58506-BouzerCastle_PLFD1679_221.ps 33955 PostScript
Tune-58506-BouzerCastle_PLFD1679_221.txt 376 Plain-text file with the extracted tune(s)
Tune-58506-all.abc 174 ABC music file with the extracted tune(s)
Tune-58506-all.pdf 2217 Portable Data Format
Tune-58506-all.ps 6 PostScript
Tune-58506-all.txt 174 Plain-text file with the extracted tune(s)
Tune-58506-get.log 9801 Log file, useful mostly for debugging
These files should be available for 24 hours.