pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5625-21212_Laird_O_Cockpen.ps) >>/Users/jc/w/tmp/Tune-5625-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/21212_Laird_O_Cockpen.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-5625-21212_Laird_O_Cockpen.abc 433 ABC music file with the extracted tune(s)
Tune-5625-21212_Laird_O_Cockpen.ps 32869 PostScript
Tune-5625-21212_Laird_O_Cockpen.txt 433 Plain-text file with the extracted tune(s)
Tune-5625-get.log 4617 Log file, useful mostly for debugging
Tune-56253-LadyFrancisNevillsDelight_PLFD1657_150.abc 432 ABC music file with the extracted tune(s)
Tune-56253-LadyFrancisNevillsDelight_PLFD1657_150.pdf 17088 Portable Data Format
Tune-56253-LadyFrancisNevillsDelight_PLFD1657_150.ps 34329 PostScript
Tune-56253-LadyFrancisNevillsDelight_PLFD1657_150.txt 432 Plain-text file with the extracted tune(s)
Tune-56253-get.log 6233 Log file, useful mostly for debugging
Tune-56259-get.log 1362 Log file, useful mostly for debugging
These files should be available for 24 hours.