pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5431-SweetMaidOfGlendaruelR.ps) >>/Users/jc/w/tmp/Tune-5431-get.log 2>&1" returned status 256
http://terrytraub.org/abc/SweetMaidOfGlendaruelR.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_54313.log 267609 Log file, useful mostly for debugging
Form_54315.log 810 Log file, useful mostly for debugging
Tune-5431-SweetMaidOfGlendaruelR.abc 354 ABC music file with the extracted tune(s)
Tune-5431-SweetMaidOfGlendaruelR.ps 34918 PostScript
Tune-5431-SweetMaidOfGlendaruelR.txt 354 Plain-text file with the extracted tune(s)
Tune-5431-get.log 4512 Log file, useful mostly for debugging
Tune-54311-get.log 5459 Log file, useful mostly for debugging
Tune-54312-get.log 5895 Log file, useful mostly for debugging
Tune-54314-get.log 3968 Log file, useful mostly for debugging
These files should be available for 24 hours.