pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5099-042.ps) >>/Users/jc/w/tmp/Tune-5099-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MichaelDabney/12Minuets12Dances/042=Minuet-V2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-5099-042.abc 1057 ABC music file with the extracted tune(s)
Tune-5099-042.ps 35958 PostScript
Tune-5099-042.txt 1057 Plain-text file with the extracted tune(s)
Tune-5099-get.log 4475 Log file, useful mostly for debugging
Tune-50991-get.log 1398 Log file, useful mostly for debugging
Tune-50992-get.log 3530 Log file, useful mostly for debugging
Tune-50995-get.log 1398 Log file, useful mostly for debugging
Tune-50998-get.log 4377 Log file, useful mostly for debugging
Tune-50999-get.log 10528 Log file, useful mostly for debugging
These files should be available for 24 hours.