pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-298-NEFRX.ps) >>/Users/jc/w/tmp/Tune-298-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/NEFRX.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_29813.log 272339 Log file, useful mostly for debugging
Coll_29829.log 307089 Log file, useful mostly for debugging
Coll_2983.log 335673 Log file, useful mostly for debugging
Coll_29862.log 70124 Log file, useful mostly for debugging
Coll_29868.log 70124 Log file, useful mostly for debugging
Coll_29883.log 66344 Log file, useful mostly for debugging
Form_29806.log 724 Log file, useful mostly for debugging
Form_2983.log 781 Log file, useful mostly for debugging
Form_29832.log 767 Log file, useful mostly for debugging
Form_29849.log 773 Log file, useful mostly for debugging
Form_29887.log 797 Log file, useful mostly for debugging
Tune-298-NEFRX.abc 731 ABC music file with the extracted tune(s)
Tune-298-NEFRX.ps 36081 PostScript
Tune-298-NEFRX.txt 731 Plain-text file with the extracted tune(s)
Tune-298-get.log 8700 Log file, useful mostly for debugging
Tune-29814-get.log 5122 Log file, useful mostly for debugging
Tune-29817-get.log 4277 Log file, useful mostly for debugging
Tune-2982-get.log 5703 Log file, useful mostly for debugging
Tune-29824-get.log 2968 Log file, useful mostly for debugging
Tune-29830-get.log 3264 Log file, useful mostly for debugging
Tune-29831-get.log 5221 Log file, useful mostly for debugging
Tune-29841-get.log 4058 Log file, useful mostly for debugging
Tune-29855-get.log 3003 Log file, useful mostly for debugging
Tune-29859-get.log 3951 Log file, useful mostly for debugging
Tune-29866-get.log 4391 Log file, useful mostly for debugging
Tune-29882-get.log 2925 Log file, useful mostly for debugging
Tune-29896-get.log 5392 Log file, useful mostly for debugging
These files should be available for 24 hours.