pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8202-Jefferson_and_Liberty.ps) >>/Users/jc/w/tmp/Tune-8202-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/program/Jefferson_and_Liberty.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_82021.log 261219 Log file, useful mostly for debugging
Coll_82022.log 63374 Log file, useful mostly for debugging
Coll_82024.log 270949 Log file, useful mostly for debugging
Form_82020.log 797 Log file, useful mostly for debugging
Form_82023.log 762 Log file, useful mostly for debugging
Form_82026.log 884 Log file, useful mostly for debugging
Form_82028.abc 303 ABC music file with the extracted tune(s)
Form_82028.log 1108 Log file, useful mostly for debugging
Form_82028_001.svg 12361 Scalable Vector Graphics format
Tune-8202-Jefferson_and_Liberty.abc 485 ABC music file with the extracted tune(s)
Tune-8202-Jefferson_and_Liberty.ps 34211 PostScript
Tune-8202-Jefferson_and_Liberty.txt 485 Plain-text file with the extracted tune(s)
Tune-8202-get.log 74088 Log file, useful mostly for debugging
Tune-82020-get.log 86342 Log file, useful mostly for debugging
Tune-82021-get.log 7594 Log file, useful mostly for debugging
Tune-82023-get.log 3389 Log file, useful mostly for debugging
Tune-82028-get.log 1094746 Log file, useful mostly for debugging
These files should be available for 24 hours.