pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7274-WalterRainstorp_WRCB.ps) >>/Users/jc/w/tmp/Tune-7274-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WalterRainstorp_WRCB.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_72749.log 524585 Log file, useful mostly for debugging
Tune-7274-WalterRainstorp_WRCB.abc 15179 ABC music file with the extracted tune(s)
Tune-7274-WalterRainstorp_WRCB.ps 111723 PostScript
Tune-7274-WalterRainstorp_WRCB.txt 15179 Plain-text file with the extracted tune(s)
Tune-7274-get.log 16303 Log file, useful mostly for debugging
Tune-72743-get.log 5386 Log file, useful mostly for debugging
Tune-72748-get.log 13384 Log file, useful mostly for debugging
Tune-72748-tune-001.svg 921 Scalable Vector Graphics format
Tune-72748-tune.abc 466 ABC music file with the extracted tune(s)
Tune-72748-tune.txt 466 Plain-text file with the extracted tune(s)
Tune-72749-get.log 7625 Log file, useful mostly for debugging
These files should be available for 24 hours.