pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40683-Abergenny_1657_PLFD1_114_CP.ps) >>/Users/jc/w/tmp/Tune-40683-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/Abergenny_1657_PLFD1_114_CP.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_40683.log 1423 Log file, useful mostly for debugging
Tune-40683-Abergenny_1657_PLFD1_114_CP.abc 316 ABC music file with the extracted tune(s)
Tune-40683-Abergenny_1657_PLFD1_114_CP.ps 32335 PostScript
Tune-40683-Abergenny_1657_PLFD1_114_CP.txt 316 Plain-text file with the extracted tune(s)
Tune-40683-EmperorOfTheMoonThe_PLFD1690_308-001.svg 13639 Scalable Vector Graphics format
Tune-40683-EmperorOfTheMoonThe_PLFD1690_308.abc 377 ABC music file with the extracted tune(s)
Tune-40683-EmperorOfTheMoonThe_PLFD1690_308.txt 377 Plain-text file with the extracted tune(s)
Tune-40683-get.log 9574 Log file, useful mostly for debugging
These files should be available for 24 hours.