pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4353-AlexandersBirthDay.ps) >>/Users/jc/w/tmp/Tune-4353-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/AlexandersBirthDay.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_43531.log 280115 Log file, useful mostly for debugging
Coll_43535.log 1250691 Log file, useful mostly for debugging
Coll_43538.log 273090 Log file, useful mostly for debugging
Tune-4353-AlexandersBirthDay.abc 1495 ABC music file with the extracted tune(s)
Tune-4353-AlexandersBirthDay.ps 40306 PostScript
Tune-4353-AlexandersBirthDay.txt 1495 Plain-text file with the extracted tune(s)
Tune-4353-get.log 4558 Log file, useful mostly for debugging
These files should be available for 24 hours.