pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-49801-20011_Hey_to_the_Camp.ps) >>/Users/jc/w/tmp/Tune-49801-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JamesOswald/CPCv2/20011_Hey_to_the_Camp.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_49801.log 64994 Log file, useful mostly for debugging
Form_49801.log 747 Log file, useful mostly for debugging
Tune-49801-20011_Hey_to_the_Camp.abc 619 ABC music file with the extracted tune(s)
Tune-49801-20011_Hey_to_the_Camp.ps 40424 PostScript
Tune-49801-20011_Hey_to_the_Camp.txt 619 Plain-text file with the extracted tune(s)
Tune-49801-get.log 7597 Log file, useful mostly for debugging
These files should be available for 24 hours.