pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7167-Playford_COST.ps) >>/Users/jc/w/tmp/Tune-7167-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Playford/COST/Playford_COST.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_71676.log 136353 Log file, useful mostly for debugging
Form_71675.log 1797 Log file, useful mostly for debugging
Form_71678.log 964 Log file, useful mostly for debugging
Tune-7167-Playford_COST.abc 28124 ABC music file with the extracted tune(s)
Tune-7167-Playford_COST.ps 210927 PostScript
Tune-7167-Playford_COST.txt 28124 Plain-text file with the extracted tune(s)
Tune-7167-get.log 27340 Log file, useful mostly for debugging
Tune-71670-get.log 3652 Log file, useful mostly for debugging
Tune-71677-get.log 5871 Log file, useful mostly for debugging
Tune-71679-get.log 5383 Log file, useful mostly for debugging
These files should be available for 24 hours.