pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7004-BanburyBill_1.ps) >>/Users/jc/w/tmp/Tune-7004-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/BanburyBill_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_70041.log 276850 Log file, useful mostly for debugging
Coll_70042.log 406569 Log file, useful mostly for debugging
Coll_70047.log 516155 Log file, useful mostly for debugging
Tune-7004-BanburyBill_1.abc 392 ABC music file with the extracted tune(s)
Tune-7004-BanburyBill_1.ps 33917 PostScript
Tune-7004-BanburyBill_1.txt 392 Plain-text file with the extracted tune(s)
Tune-7004-get.log 4478 Log file, useful mostly for debugging
Tune-70043-Cocklawburn-D-32-4-001.svg 27754 Scalable Vector Graphics format
Tune-70043-Cocklawburn-D-32-4.abc 728 ABC music file with the extracted tune(s)
Tune-70043-Cocklawburn-D-32-4.txt 728 Plain-text file with the extracted tune(s)
Tune-70043-get.log 4219 Log file, useful mostly for debugging
Tune-70049-CamelHump_Em.abc 557 ABC music file with the extracted tune(s)
Tune-70049-CamelHump_Em.txt 557 Plain-text file with the extracted tune(s)
Tune-70049-get.log 3203 Log file, useful mostly for debugging
These files should be available for 24 hours.