pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-380-GlenGrant_A.ps) >>/Users/jc/w/tmp/Tune-380-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/misc/GlenGrant_A.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_38019.log 260559 Log file, useful mostly for debugging
Coll_38030.log 140992 Log file, useful mostly for debugging
Coll_38069.log 146437 Log file, useful mostly for debugging
Coll_38070.log 257739 Log file, useful mostly for debugging
Form_38009.log 905 Log file, useful mostly for debugging
Form_38056.log 835 Log file, useful mostly for debugging
Form_38063.log 831 Log file, useful mostly for debugging
Tune-380-GlenGrant_A.abc 586 ABC music file with the extracted tune(s)
Tune-380-GlenGrant_A.ps 37660 PostScript
Tune-380-GlenGrant_A.txt 586 Plain-text file with the extracted tune(s)
Tune-380-get.log 4573 Log file, useful mostly for debugging
Tune-38008-___.abc 1512 ABC music file with the extracted tune(s)
Tune-38008-___.pdf 32067 Portable Data Format
Tune-38008-___.ps 42029 PostScript
Tune-38008-___.txt 1512 Plain-text file with the extracted tune(s)
Tune-38008-get.log 5186 Log file, useful mostly for debugging
Tune-38010-Polka_BeerBarrel.abc 1064 ABC music file with the extracted tune(s)
Tune-38010-Polka_BeerBarrel.ps 39865 PostScript
Tune-38010-Polka_BeerBarrel.txt 1064 Plain-text file with the extracted tune(s)
Tune-38010-get.log 5044 Log file, useful mostly for debugging
Tune-38011-get.log 4283 Log file, useful mostly for debugging
Tune-38044-get.log 38511 Log file, useful mostly for debugging
Tune-38057-get.log 3725418 Log file, useful mostly for debugging
Tune-38069-get.log 2866 Log file, useful mostly for debugging
Tune-38077-get.log 3765 Log file, useful mostly for debugging
Tune-38078-get.log 3962 Log file, useful mostly for debugging
Tune-38082-get.log 3255 Log file, useful mostly for debugging
Tune-38091-2016-05-19.abc 0 ABC music file with the extracted tune(s)
Tune-38091-2016-05-19.ps 6 PostScript
Tune-38091-2016-05-19.txt 0 Plain-text file with the extracted tune(s)
Tune-38091-get.log 4353 Log file, useful mostly for debugging
Tune-38092-Glen_Grant_3-A-16-3-001.svg 23572 Scalable Vector Graphics format
Tune-38092-Glen_Grant_3-A-16-3.abc 589 ABC music file with the extracted tune(s)
Tune-38092-Glen_Grant_3-A-16-3.txt 589 Plain-text file with the extracted tune(s)
Tune-38092-get.log 4428 Log file, useful mostly for debugging
Tune-38097-get.log 3187 Log file, useful mostly for debugging
These files should be available for 24 hours.