pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9439-Betsy_1.ps) >>/Users/jc/w/tmp/Tune-9439-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Betsy_1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_9439.log 558305 Log file, useful mostly for debugging
Coll_94391.log 242180 Log file, useful mostly for debugging
Tune-9439-Betsy_1.abc 931 ABC music file with the extracted tune(s)
Tune-9439-Betsy_1.ps 43972 PostScript
Tune-9439-Betsy_1.txt 931 Plain-text file with the extracted tune(s)
Tune-9439-get.log 4301 Log file, useful mostly for debugging
Tune-94392-get.log 7543 Log file, useful mostly for debugging
Tune-94394-As_a_thoiseach-Em-16-3.abc 580 ABC music file with the extracted tune(s)
Tune-94394-As_a_thoiseach-Em-16-3.txt 580 Plain-text file with the extracted tune(s)
Tune-94394-get.log 4531 Log file, useful mostly for debugging
Tune-94395-DownTheBroomR.abc 463 ABC music file with the extracted tune(s)
Tune-94395-DownTheBroomR.txt 463 Plain-text file with the extracted tune(s)
Tune-94395-get.log 3234 Log file, useful mostly for debugging
These files should be available for 24 hours.