pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3390-Over_the_Water.ps) >>/Users/jc/w/tmp/Tune-3390-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Over_the_Water.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-3390-Over_the_Water.abc 437 ABC music file with the extracted tune(s)
Tune-3390-Over_the_Water.ps 33550 PostScript
Tune-3390-Over_the_Water.txt 437 Plain-text file with the extracted tune(s)
Tune-3390-get.log 4520 Log file, useful mostly for debugging
Tune-33901-get.log 5768 Log file, useful mostly for debugging
Tune-33903-Gallini_NewColl44Cot2.abc 158 ABC music file with the extracted tune(s)
Tune-33903-Gallini_NewColl44Cot2.pdf 2217 Portable Data Format
Tune-33903-Gallini_NewColl44Cot2.ps 6 PostScript
Tune-33903-Gallini_NewColl44Cot2.txt 158 Plain-text file with the extracted tune(s)
Tune-33903-get.log 5201 Log file, useful mostly for debugging
Tune-33905-get.log 1407 Log file, useful mostly for debugging
Tune-33906-get.log 5594 Log file, useful mostly for debugging
Tune-33909-get.log 5356 Log file, useful mostly for debugging
These files should be available for 24 hours.