pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-95485-WilsonCompanion.ps) >>/Users/jc/w/tmp/Tune-95485-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Wilson/WilsonCompanion(24-11-2015).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_95485.log 269559 Log file, useful mostly for debugging
Form_95485.log 749 Log file, useful mostly for debugging
Tune-95485-WilsonCompanion.abc 286 ABC music file with the extracted tune(s)
Tune-95485-WilsonCompanion.ps 35088 PostScript
Tune-95485-WilsonCompanion.txt 286 Plain-text file with the extracted tune(s)
Tune-95485-get.log 4559 Log file, useful mostly for debugging
These files should be available for 24 hours.