pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8189-Easter_Holy_Days.ps) >>/Users/jc/w/tmp/Tune-8189-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Easter_Holy_Days.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-8189-CDSS_Gems.abc 152 ABC music file with the extracted tune(s)
Tune-8189-CDSS_Gems.pdf 2217 Portable Data Format
Tune-8189-CDSS_Gems.ps 6 PostScript
Tune-8189-CDSS_Gems.txt 152 Plain-text file with the extracted tune(s)
Tune-8189-Easter_Holy_Days.abc 446 ABC music file with the extracted tune(s)
Tune-8189-Easter_Holy_Days.ps 33312 PostScript
Tune-8189-Easter_Holy_Days.txt 446 Plain-text file with the extracted tune(s)
Tune-8189-get.log 9432 Log file, useful mostly for debugging
Tune-81890-get.log 5074 Log file, useful mostly for debugging
Tune-81891-get.log 3398 Log file, useful mostly for debugging
Tune-81892-get.log 9226 Log file, useful mostly for debugging
Tune-81893-get.log 1396 Log file, useful mostly for debugging
Tune-81894-get.log 4203 Log file, useful mostly for debugging
Tune-81895-get.log 4337 Log file, useful mostly for debugging
Tune-81896-get.log 17739 Log file, useful mostly for debugging
Tune-81897-get.log 3362 Log file, useful mostly for debugging
Tune-81899-get.log 1396 Log file, useful mostly for debugging
These files should be available for 24 hours.