pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3661-MaidenLane_PLFD1651_058.ps) >>/Users/jc/w/tmp/Tune-3661-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/MaidenLane_PLFD1651_058.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-3661-MaidenLane_PLFD1651_058.abc 382 ABC music file with the extracted tune(s)
Tune-3661-MaidenLane_PLFD1651_058.ps 33146 PostScript
Tune-3661-MaidenLane_PLFD1651_058.txt 382 Plain-text file with the extracted tune(s)
Tune-3661-NL.abc 541 ABC music file with the extracted tune(s)
Tune-3661-NL.txt 541 Plain-text file with the extracted tune(s)
Tune-3661-get.log 7802 Log file, useful mostly for debugging
These files should be available for 24 hours.