pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3042-HighCauldCapThe_1.ps) >>/Users/jc/w/tmp/Tune-3042-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/HighCauldCapThe_1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_30425.log 857570 Log file, useful mostly for debugging
Coll_30428.log 1415878 Log file, useful mostly for debugging
Coll_30429.log 242180 Log file, useful mostly for debugging
Tune-3042-HighCauldCapThe_1.abc 393 ABC music file with the extracted tune(s)
Tune-3042-HighCauldCapThe_1.ps 33955 PostScript
Tune-3042-HighCauldCapThe_1.txt 393 Plain-text file with the extracted tune(s)
Tune-3042-get.log 4592 Log file, useful mostly for debugging
These files should be available for 24 hours.