pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7764-Miss_Forbes_Farewell_to_Banff_2.ps) >>/Users/jc/w/tmp/Tune-7764-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/kirby98.fsnet.co.uk/mi/Miss_Forbes_Farewell_to_Banff_2.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_77644.log 154735 Log file, useful mostly for debugging
Coll_77645.log 141674 Log file, useful mostly for debugging
Form_77644.log 939 Log file, useful mostly for debugging
Tune-7764-Miss_Forbes_Farewell_to_Banff_2.abc 829 ABC music file with the extracted tune(s)
Tune-7764-Miss_Forbes_Farewell_to_Banff_2.ps 37766 PostScript
Tune-7764-Miss_Forbes_Farewell_to_Banff_2.txt 829 Plain-text file with the extracted tune(s)
Tune-7764-get.log 65162 Log file, useful mostly for debugging
Tune-77642-get.log 2953 Log file, useful mostly for debugging
Tune-77646-get.log 5206 Log file, useful mostly for debugging
Tune-77649-Headington.abc 0 ABC music file with the extracted tune(s)
Tune-77649-Headington.txt 0 Plain-text file with the extracted tune(s)
Tune-77649-get.log 3243 Log file, useful mostly for debugging
These files should be available for 24 hours.