pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2934-BraesOfBreadalbane2_C.ps) >>/Users/jc/w/tmp/Tune-2934-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/strathspey/BraesOfBreadalbane2_C.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
Coll_29342.log 145832 Log file, useful mostly for debugging
Coll_29343.log 139177 Log file, useful mostly for debugging
Coll_29349.log 818020 Log file, useful mostly for debugging
Tune-2934-BraesOfBreadalbane2_C.abc 488 ABC music file with the extracted tune(s)
Tune-2934-BraesOfBreadalbane2_C.ps 36926 PostScript
Tune-2934-BraesOfBreadalbane2_C.txt 488 Plain-text file with the extracted tune(s)
Tune-2934-get.log 4630 Log file, useful mostly for debugging
Tune-29343-get.log 2356 Log file, useful mostly for debugging
Tune-29347-get.log 3262 Log file, useful mostly for debugging
These files should be available for 24 hours.