pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1497-mproto.ps) >>/Users/jc/w/tmp/Tune-1497-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BotCDaSS/mproto.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-1497-get.log 5882 Log file, useful mostly for debugging
Tune-1497-mproto.abc 391 ABC music file with the extracted tune(s)
Tune-1497-mproto.ps 30546 PostScript
Tune-1497-mproto.txt 391 Plain-text file with the extracted tune(s)
Tune-14971-get.log 30575 Log file, useful mostly for debugging
Tune-14973-get.log 4537 Log file, useful mostly for debugging
Tune-14974-get.log 4563 Log file, useful mostly for debugging
Tune-14975-Pat_Shaw_Pinewoods.abc 156 ABC music file with the extracted tune(s)
Tune-14975-Pat_Shaw_Pinewoods.txt 156 Plain-text file with the extracted tune(s)
Tune-14975-get.log 3332 Log file, useful mostly for debugging
Tune-14976-early_autumn-001.svg 45939 Scalable Vector Graphics format
Tune-14976-early_autumn.abc 1554 ABC music file with the extracted tune(s)
Tune-14976-early_autumn.txt 1554 Plain-text file with the extracted tune(s)
Tune-14976-get.log 4042 Log file, useful mostly for debugging
Tune-14977-get.log 4505 Log file, useful mostly for debugging
These files should be available for 24 hours.