pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4907-04_NewScotland1-JC.ps) >>/Users/jc/w/tmp/Tune-4907-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/NS_Anniv50/04_NewScotland1-JC.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
Find_49074.log 1547 Log file, useful mostly for debugging
Tune-4907-04_NewScotland1-JC.abc 734 ABC music file with the extracted tune(s)
Tune-4907-04_NewScotland1-JC.ps 38930 PostScript
Tune-4907-04_NewScotland1-JC.txt 734 Plain-text file with the extracted tune(s)
Tune-4907-get.log 4607 Log file, useful mostly for debugging
Tune-49072-get.log 4629 Log file, useful mostly for debugging
Tune-49079-get.log 3381 Log file, useful mostly for debugging
These files should be available for 24 hours.