pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5309-Douglas_C.ps) >>/Users/jc/w/tmp/Tune-5309-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Douglas_C.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_5309.log 1007905 Log file, useful mostly for debugging
Coll_53090.log 1194770 Log file, useful mostly for debugging
Coll_53092.log 771865 Log file, useful mostly for debugging
Coll_53099.log 1408850 Log file, useful mostly for debugging
Form_53091.log 954 Log file, useful mostly for debugging
Tune-5309-Douglas_C.abc 510 ABC music file with the extracted tune(s)
Tune-5309-Douglas_C.ps 35408 PostScript
Tune-5309-Douglas_C.txt 510 Plain-text file with the extracted tune(s)
Tune-5309-get.log 4361 Log file, useful mostly for debugging
These files should be available for 24 hours.