pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-62879-SANDS_OF_KUWAIT_11.ps) >>/Users/jc/w/tmp/Tune-62879-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/corneymusers/SANDS_OF_KUWAIT_11.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
Tune-62879-SANDS_OF_KUWAIT_11.abc 977 ABC music file with the extracted tune(s)
Tune-62879-SANDS_OF_KUWAIT_11.ps 52495 PostScript
Tune-62879-SANDS_OF_KUWAIT_11.txt 977 Plain-text file with the extracted tune(s)
Tune-62879-get.log 9592 Log file, useful mostly for debugging
These files should be available for 24 hours.