pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5472-c.ps) >>/Users/jc/w/tmp/Tune-5472-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terra.es/personal8/niltoni/c.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_5472.log 331503 Log file, useful mostly for debugging
Coll_54723.log 63914 Log file, useful mostly for debugging
Coll_54725.log 64184 Log file, useful mostly for debugging
Coll_54728.log 70124 Log file, useful mostly for debugging
Form_54726.log 755 Log file, useful mostly for debugging
Form_54727.log 737 Log file, useful mostly for debugging
Tune-5472-c.abc 229 ABC music file with the extracted tune(s)
Tune-5472-c.ps 32799 PostScript
Tune-5472-c.txt 229 Plain-text file with the extracted tune(s)
Tune-5472-get.log 4176 Log file, useful mostly for debugging
Tune-54720-get.log 7847 Log file, useful mostly for debugging
Tune-54720-gf.abc 0 ABC music file with the extracted tune(s)
Tune-54721-get.log 4240 Log file, useful mostly for debugging
Tune-54722-get.log 1398 Log file, useful mostly for debugging
Tune-54725-get.log 0 Log file, useful mostly for debugging
Tune-54725-reelsM-Q.abc 0 ABC music file with the extracted tune(s)
Tune-54726-get.log 6570 Log file, useful mostly for debugging
Tune-54729-get.log 3080 Log file, useful mostly for debugging
These files should be available for 24 hours.