pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7676-Creggs_Pipes.ps) >>/Users/jc/w/tmp/Tune-7676-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/nogirishsession.com/Creggs_Pipes.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
Find_76762.log 1563 Log file, useful mostly for debugging
Form_76767.log 877 Log file, useful mostly for debugging
Tune-7676-Creggs_Pipes.abc 367 ABC music file with the extracted tune(s)
Tune-7676-Creggs_Pipes.ps 37229 PostScript
Tune-7676-Creggs_Pipes.txt 367 Plain-text file with the extracted tune(s)
Tune-7676-get.log 5798 Log file, useful mostly for debugging
Tune-76762-get.log 5626 Log file, useful mostly for debugging
Tune-76766-get.log 3448 Log file, useful mostly for debugging
Tune-76768-get.log 2936 Log file, useful mostly for debugging
Tune-76768-tb21.abc 615 ABC music file with the extracted tune(s)
Tune-76768-tb21.txt 615 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.