pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3462-Peacocks_Tune.ps) >>/Users/jc/w/tmp/Tune-3462-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NorthumbrianMinstrelsy/Peacocks_Tune.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_34629.log 143534 Log file, useful mostly for debugging
Tune-3462-Peacocks_Tune.abc 378 ABC music file with the extracted tune(s)
Tune-3462-Peacocks_Tune.ps 35023 PostScript
Tune-3462-Peacocks_Tune.txt 378 Plain-text file with the extracted tune(s)
Tune-3462-get.log 8188 Log file, useful mostly for debugging
Tune-34624-get.log 3690 Log file, useful mostly for debugging
Tune-34625-get.log 3499 Log file, useful mostly for debugging
Tune-34626-get.log 4016 Log file, useful mostly for debugging
Tune-34628-get.log 5040 Log file, useful mostly for debugging
Tune-34629-get.log 3400 Log file, useful mostly for debugging
These files should be available for 24 hours.