pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7419-1800_Thompson_FCCD-V1.ps) >>/Users/jc/w/tmp/Tune-7419-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1800_Thompson_FCCD-V1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-7419-1800_Thompson_FCCD-V1.abc 15710 ABC music file with the extracted tune(s)
Tune-7419-1800_Thompson_FCCD-V1.ps 116065 PostScript
Tune-7419-1800_Thompson_FCCD-V1.txt 15710 Plain-text file with the extracted tune(s)
Tune-7419-get.log 11491 Log file, useful mostly for debugging
Tune-74199-CR62.abc 1512 ABC music file with the extracted tune(s)
Tune-74199-CR62.pdf 41997 Portable Data Format
Tune-74199-CR62.ps 46933 PostScript
Tune-74199-CR62.txt 1512 Plain-text file with the extracted tune(s)
Tune-74199-get.log 5102 Log file, useful mostly for debugging
These files should be available for 24 hours.