pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-18212-621_Free_Mason.ps) >>/Users/jc/w/tmp/Tune-18212-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1778/Thompson/621_Free_Mason.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_18212.log 1730 Log file, useful mostly for debugging
Tune-18212-621_Free_Mason.abc 1312 ABC music file with the extracted tune(s)
Tune-18212-621_Free_Mason.ps 38253 PostScript
Tune-18212-621_Free_Mason.txt 1312 Plain-text file with the extracted tune(s)
Tune-18212-get.log 9555 Log file, useful mostly for debugging
These files should be available for 24 hours.