pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6201-new_Contra.ps) >>/Users/jc/w/tmp/Tune-6201-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/new_Contra.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_6201.log 382680 Log file, useful mostly for debugging
Tune-6201-get.log 7710 Log file, useful mostly for debugging
Tune-6201-new_Contra.abc 3920 ABC music file with the extracted tune(s)
Tune-6201-new_Contra.ps 73621 PostScript
Tune-6201-new_Contra.txt 3920 Plain-text file with the extracted tune(s)
Tune-62013-get.log 4092 Log file, useful mostly for debugging
Tune-62017-ChristmasHornpipe-001.svg 22353 Scalable Vector Graphics format
Tune-62017-ChristmasHornpipe.abc 632 ABC music file with the extracted tune(s)
Tune-62017-ChristmasHornpipe.txt 632 Plain-text file with the extracted tune(s)
Tune-62017-get.log 9203 Log file, useful mostly for debugging
Tune-62018-get.log 5665 Log file, useful mostly for debugging
These files should be available for 24 hours.