pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7120-BobMcQuillensR.ps) >>/Users/jc/w/tmp/Tune-7120-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/BobMcQuillensR.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_71202.log 26117 Log file, useful mostly for debugging
Coll_71203.log 965755 Log file, useful mostly for debugging
Coll_71204.log 528800 Log file, useful mostly for debugging
Tune-7120-BobMcQuillensR.abc 491 ABC music file with the extracted tune(s)
Tune-7120-BobMcQuillensR.ps 35333 PostScript
Tune-7120-BobMcQuillensR.txt 491 Plain-text file with the extracted tune(s)
Tune-7120-get.log 4520 Log file, useful mostly for debugging
Tune-71201-get.log 11190 Log file, useful mostly for debugging
These files should be available for 24 hours.