pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-781-Quarrymans_Jig_1.ps) >>/Users/jc/w/tmp/Tune-781-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/montysmaggot.co.uk/Quarrymans_Jig_1.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_78106.log 263379 Log file, useful mostly for debugging
Coll_78181.log 144017 Log file, useful mostly for debugging
Coll_78183.log 134942 Log file, useful mostly for debugging
Coll_78194.log 263379 Log file, useful mostly for debugging
Find_78171.log 1387 Log file, useful mostly for debugging
Form_78131.log 826 Log file, useful mostly for debugging
Form_78132.log 838 Log file, useful mostly for debugging
Form_78138.log 849 Log file, useful mostly for debugging
Form_78150.log 873 Log file, useful mostly for debugging
Form_7816.log 741 Log file, useful mostly for debugging
Form_78161.log 797 Log file, useful mostly for debugging
Sess-78158.log 304275 Log file, useful mostly for debugging
Tune-781-Quarrymans_Jig_1.abc 567 ABC music file with the extracted tune(s)
Tune-781-Quarrymans_Jig_1.ps 38499 PostScript
Tune-781-Quarrymans_Jig_1.txt 567 Plain-text file with the extracted tune(s)
Tune-781-get.log 5879 Log file, useful mostly for debugging
Tune-78102-get.log 3367 Log file, useful mostly for debugging
Tune-7811-get.log 3758 Log file, useful mostly for debugging
Tune-78110-get.log 3200 Log file, useful mostly for debugging
Tune-78117-get.log 4517 Log file, useful mostly for debugging
Tune-7812-get.log 6946 Log file, useful mostly for debugging
Tune-78122-get.log 5135 Log file, useful mostly for debugging
Tune-78141-get.log 3555 Log file, useful mostly for debugging
Tune-78145-get.log 3314 Log file, useful mostly for debugging
Tune-78146-get.log 5691 Log file, useful mostly for debugging
Tune-78151-get.log 3460 Log file, useful mostly for debugging
Tune-7817-get.log 4159 Log file, useful mostly for debugging
Tune-78192-get.log 3127 Log file, useful mostly for debugging
Tune-78196-get.log 4322 Log file, useful mostly for debugging
These files should be available for 24 hours.