pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1285-BonnieCharlie_4_Dm.ps) >>/Users/jc/w/tmp/Tune-1285-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/BonnieCharlie_4_Dm.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_12854.log 1401825 Log file, useful mostly for debugging
Coll_12858.log 403755 Log file, useful mostly for debugging
Tune-1285-BonnieCharlie_4_Dm.abc 683 ABC music file with the extracted tune(s)
Tune-1285-BonnieCharlie_4_Dm.ps 36757 PostScript
Tune-1285-BonnieCharlie_4_Dm.txt 683 Plain-text file with the extracted tune(s)
Tune-1285-get.log 4598 Log file, useful mostly for debugging
Tune-12853-get.log 1382 Log file, useful mostly for debugging
Tune-12857-get.log 1382 Log file, useful mostly for debugging
These files should be available for 24 hours.