pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8097-x11.ps) >>/Users/jc/w/tmp/Tune-8097-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Contra/x11.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_80972.log 417806 Log file, useful mostly for debugging
Coll_80975.log 758338 Log file, useful mostly for debugging
Coll_80976.log 999997 Log file, useful mostly for debugging
Form_8097.log 873 Log file, useful mostly for debugging
Form_80975.log 839 Log file, useful mostly for debugging
Tune-8097-get.log 176548 Log file, useful mostly for debugging
Tune-8097-x11.abc 171 ABC music file with the extracted tune(s)
Tune-8097-x11.ps 32394 PostScript
Tune-8097-x11.txt 171 Plain-text file with the extracted tune(s)
Tune-80973-get.log 1422 Log file, useful mostly for debugging
Tune-80974-get.log 3671 Log file, useful mostly for debugging
Tune-80976-get.log 4032 Log file, useful mostly for debugging
Tune-80977-get.log 175015 Log file, useful mostly for debugging
Tune-80979-get.log 3886 Log file, useful mostly for debugging
These files should be available for 24 hours.