pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80240-Alxndr50.ps) >>/Users/jc/w/tmp/Tune-80240-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Alexander50/Alxndr50(30-5-2015).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_80240.log 69 Log file, useful mostly for debugging
Tune-80240-Alxndr50.abc 415 ABC music file with the extracted tune(s)
Tune-80240-Alxndr50.ps 35282 PostScript
Tune-80240-Alxndr50.txt 415 Plain-text file with the extracted tune(s)
Tune-80240-get.log 20394 Log file, useful mostly for debugging
These files should be available for 24 hours.