pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54990-Wap_at_the_Widow.ps) >>/Users/jc/w/tmp/Tune-54990-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CCD/Wap_at_the_Widow.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_54990.log 135065 Log file, useful mostly for debugging
Tune-54990-Wap_at_the_Widow.abc 781 ABC music file with the extracted tune(s)
Tune-54990-Wap_at_the_Widow.ps 37000 PostScript
Tune-54990-Wap_at_the_Widow.txt 781 Plain-text file with the extracted tune(s)
Tune-54990-get.log 4538 Log file, useful mostly for debugging
These files should be available for 24 hours.