pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-44342-129_a_Merry_Heart.ps) >>/Users/jc/w/tmp/Tune-44342-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/129_a_Merry_Heart.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_44342.log 507726 Log file, useful mostly for debugging
Tune-44342-129_a_Merry_Heart.abc 2739 ABC music file with the extracted tune(s)
Tune-44342-129_a_Merry_Heart.ps 45969 PostScript
Tune-44342-129_a_Merry_Heart.txt 2739 Plain-text file with the extracted tune(s)
Tune-44342-get.log 11186 Log file, useful mostly for debugging
These files should be available for 24 hours.