pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5908-Drummer.ps) >>/Users/jc/w/tmp/Tune-5908-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/Colin_Hume/Drummer.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_59080.log 257739 Log file, useful mostly for debugging
Coll_59081.log 1112706 Log file, useful mostly for debugging
Coll_59088.log 148857 Log file, useful mostly for debugging
Form_59084.log 822 Log file, useful mostly for debugging
Tune-5908-Drummer.abc 0 ABC music file with the extracted tune(s)
Tune-5908-Drummer.ps 0 PostScript
Tune-5908-Drummer.txt 0 Plain-text file with the extracted tune(s)
Tune-5908-get.log 4090 Log file, useful mostly for debugging
Tune-59084-get.log 61062 Log file, useful mostly for debugging
Tune-59087-get.log 5056 Log file, useful mostly for debugging
These files should be available for 24 hours.