pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29701-celtic_tunes.ps) >>/Users/jc/w/tmp/Tune-29701-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/!ABCCollections/celtic_tunes.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_29701.log 764 Log file, useful mostly for debugging
Tune-29701-celtic_tunes.abc 334 ABC music file with the extracted tune(s)
Tune-29701-celtic_tunes.ps 35543 PostScript
Tune-29701-celtic_tunes.txt 334 Plain-text file with the extracted tune(s)
Tune-29701-get.log 4421 Log file, useful mostly for debugging
These files should be available for 24 hours.