pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-36928-all1803TP.ps) >>/Users/jc/w/tmp/Tune-36928-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1803/Preston/all1803TP.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-36928-all1803TP.abc 20572 ABC music file with the extracted tune(s)
Tune-36928-all1803TP.ps 136932 PostScript
Tune-36928-all1803TP.txt 20572 Plain-text file with the extracted tune(s)
Tune-36928-get.log 21368 Log file, useful mostly for debugging
These files should be available for 24 hours.