pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7091-4131_the_Lass_of_Livingston.ps) >>/Users/jc/w/tmp/Tune-7091-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/4131_the_Lass_of_Livingston.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_7091.log 1114685 Log file, useful mostly for debugging
Coll_70919.log 1276260 Log file, useful mostly for debugging
Tune-7091-4131_the_Lass_of_Livingston.abc 1290 ABC music file with the extracted tune(s)
Tune-7091-4131_the_Lass_of_Livingston.ps 44916 PostScript
Tune-7091-4131_the_Lass_of_Livingston.txt 1290 Plain-text file with the extracted tune(s)
Tune-7091-get.log 4796 Log file, useful mostly for debugging
Tune-70915-get.log 5988 Log file, useful mostly for debugging
Tune-70917-get.log 4690 Log file, useful mostly for debugging
Tune-70918-4332.abc 421 ABC music file with the extracted tune(s)
Tune-70918-4332.ps 31162 PostScript
Tune-70918-4332.txt 421 Plain-text file with the extracted tune(s)
Tune-70918-get.log 9144 Log file, useful mostly for debugging
These files should be available for 24 hours.