pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2722-Book10.ps) >>/Users/jc/w/tmp/Tune-2722-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/SCD/Book10.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_27223.log 936 Log file, useful mostly for debugging
Tune-2722-Book10.abc 37043 ABC music file with the extracted tune(s)
Tune-2722-Book10.ps 404132 PostScript
Tune-2722-Book10.txt 37043 Plain-text file with the extracted tune(s)
Tune-2722-get.log 39867 Log file, useful mostly for debugging
Tune-27220-get.log 1398 Log file, useful mostly for debugging
Tune-27222-get.log 1421 Log file, useful mostly for debugging
Tune-27225-get.log 4848 Log file, useful mostly for debugging
Tune-27225-v3tune.abc 156 ABC music file with the extracted tune(s)
Tune-27225-v3tune.pdf 2217 Portable Data Format
Tune-27225-v3tune.ps 6 PostScript
Tune-27225-v3tune.txt 156 Plain-text file with the extracted tune(s)
Tune-27229-get.log 3314 Log file, useful mostly for debugging
These files should be available for 24 hours.