pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8227-CatchingOfFleas.ps) >>/Users/jc/w/tmp/Tune-8227-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/CatchingOfFleas.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-8227-CatchingOfFleas.abc 344 ABC music file with the extracted tune(s)
Tune-8227-CatchingOfFleas.ps 34956 PostScript
Tune-8227-CatchingOfFleas.txt 344 Plain-text file with the extracted tune(s)
Tune-8227-get.log 4594 Log file, useful mostly for debugging
Tune-82271-SpanishJeepsie.abc 246 ABC music file with the extracted tune(s)
Tune-82271-SpanishJeepsie.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-82271-SpanishJeepsie.ps 33011 PostScript
Tune-82271-SpanishJeepsie.txt 246 Plain-text file with the extracted tune(s)
Tune-82271-get.log 5338 Log file, useful mostly for debugging
Tune-82273-008_Lads_of_Dunse-001.svg 25489 Scalable Vector Graphics format
Tune-82273-008_Lads_of_Dunse.abc 789 ABC music file with the extracted tune(s)
Tune-82273-008_Lads_of_Dunse.txt 789 Plain-text file with the extracted tune(s)
Tune-82273-get.log 4222 Log file, useful mostly for debugging
These files should be available for 24 hours.