pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-15434-101_Mrs_Harwood.ps) >>/Users/jc/w/tmp/Tune-15434-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/HibernianMuse/101_Mrs_Harwood.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_15434.log 448609 Log file, useful mostly for debugging
Tune-15434-101_Mrs_Harwood.abc 1154 ABC music file with the extracted tune(s)
Tune-15434-101_Mrs_Harwood.ps 43648 PostScript
Tune-15434-101_Mrs_Harwood.txt 1154 Plain-text file with the extracted tune(s)
Tune-15434-get.log 4549 Log file, useful mostly for debugging
These files should be available for 24 hours.