pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-21838-Bridge_OLearys_Polka.ps) >>/Users/jc/w/tmp/Tune-21838-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Bridge_OLearys_Polka.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-21838-Bridge_OLearys_Polka.abc 415 ABC music file with the extracted tune(s)
Tune-21838-Bridge_OLearys_Polka.ps 34594 PostScript
Tune-21838-Bridge_OLearys_Polka.txt 415 Plain-text file with the extracted tune(s)
Tune-21838-get.log 4859 Log file, useful mostly for debugging
These files should be available for 24 hours.