pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6979-French_Assembly_THO4_031_The.ps) >>/Users/jc/w/tmp/Tune-6979-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/French_Assembly_THO4_031_The.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_69797.log 945 Log file, useful mostly for debugging
Tune-6979-French_Assembly_THO4_031_The.abc 483 ABC music file with the extracted tune(s)
Tune-6979-French_Assembly_THO4_031_The.ps 34928 PostScript
Tune-6979-French_Assembly_THO4_031_The.txt 483 Plain-text file with the extracted tune(s)
Tune-6979-get.log 4894 Log file, useful mostly for debugging
Tune-69793-get.log 3051 Log file, useful mostly for debugging
Tune-69794-get.log 5162 Log file, useful mostly for debugging
Tune-69795-MMM2.abc 142 ABC music file with the extracted tune(s)
Tune-69795-MMM2.txt 142 Plain-text file with the extracted tune(s)
Tune-69795-get.log 3084 Log file, useful mostly for debugging
Tune-69796-get.log 9423 Log file, useful mostly for debugging
These files should be available for 24 hours.