pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-48927-20191_East_Neuk_of_Fife.ps) >>/Users/jc/w/tmp/Tune-48927-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ERM/20191_East_Neuk_of_Fife.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_48927.log 465411 Log file, useful mostly for debugging
Tune-48927-20191_East_Neuk_of_Fife.abc 594 ABC music file with the extracted tune(s)
Tune-48927-20191_East_Neuk_of_Fife.ps 35258 PostScript
Tune-48927-20191_East_Neuk_of_Fife.txt 594 Plain-text file with the extracted tune(s)
Tune-48927-get.log 4677 Log file, useful mostly for debugging
These files should be available for 24 hours.