pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-73076-11401_Gov_Kings_March.ps) >>/Users/jc/w/tmp/Tune-73076-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/11401_Gov_Kings_March.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_73076.log 267471 Log file, useful mostly for debugging
Tune-73076-11401_Gov_Kings_March.abc 3370 ABC music file with the extracted tune(s)
Tune-73076-11401_Gov_Kings_March.ps 62999 PostScript
Tune-73076-11401_Gov_Kings_March.txt 3370 Plain-text file with the extracted tune(s)
Tune-73076-get.log 4864 Log file, useful mostly for debugging
These files should be available for 24 hours.