pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19904-Thou_Soft_Flowing_Avon.ps) >>/Users/jc/w/tmp/Tune-19904-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brewer/Thou_Soft_Flowing_Avon.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_19904.log 264661 Log file, useful mostly for debugging
Tune-19904-Thou_Soft_Flowing_Avon.abc 489 ABC music file with the extracted tune(s)
Tune-19904-Thou_Soft_Flowing_Avon.ps 34642 PostScript
Tune-19904-Thou_Soft_Flowing_Avon.txt 489 Plain-text file with the extracted tune(s)
Tune-19904-get.log 10003 Log file, useful mostly for debugging
These files should be available for 24 hours.