pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-57027-1012_Marygold.ps) >>/Users/jc/w/tmp/Tune-57027-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Playford/AB/1012_Marygold.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-57027-1012_Marygold.abc 445 ABC music file with the extracted tune(s)
Tune-57027-1012_Marygold.ps 32314 PostScript
Tune-57027-1012_Marygold.txt 445 Plain-text file with the extracted tune(s)
Tune-57027-WilliamShepherdsCollections.abc 165 ABC music file with the extracted tune(s)
Tune-57027-WilliamShepherdsCollections.pdf 2217 Portable Data Format
Tune-57027-WilliamShepherdsCollections.ps 6 PostScript
Tune-57027-WilliamShepherdsCollections.txt 165 Plain-text file with the extracted tune(s)
Tune-57027-get.log 14602 Log file, useful mostly for debugging
These files should be available for 24 hours.