pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7886-UpTailesAll.ps) >>/Users/jc/w/tmp/Tune-7886-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/UpTailesAll.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_78860.log 1142831 Log file, useful mostly for debugging
Coll_78865.log 462610 Log file, useful mostly for debugging
Tune-7886-UpTailesAll.abc 182 ABC music file with the extracted tune(s)
Tune-7886-UpTailesAll.ps 32075 PostScript
Tune-7886-UpTailesAll.txt 182 Plain-text file with the extracted tune(s)
Tune-7886-get.log 4394 Log file, useful mostly for debugging
Tune-78864-Hulls_Victory-D-32-2.abc 500 ABC music file with the extracted tune(s)
Tune-78864-Hulls_Victory-D-32-2.txt 500 Plain-text file with the extracted tune(s)
Tune-78864-get.log 3494 Log file, useful mostly for debugging
These files should be available for 24 hours.