pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5700-121_Rosalind.ps) >>/Users/jc/w/tmp/Tune-5700-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EverydaySongBook/121_Rosalind.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-5700-121_Rosalind.abc 900 ABC music file with the extracted tune(s)
Tune-5700-121_Rosalind.ps 34023 PostScript
Tune-5700-121_Rosalind.txt 900 Plain-text file with the extracted tune(s)
Tune-5700-get.log 4480 Log file, useful mostly for debugging
Tune-57008-SpaniardThe_PLFD1651_095.abc 367 ABC music file with the extracted tune(s)
Tune-57008-SpaniardThe_PLFD1651_095.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-57008-SpaniardThe_PLFD1651_095.ps 32681 PostScript
Tune-57008-SpaniardThe_PLFD1651_095.txt 367 Plain-text file with the extracted tune(s)
Tune-57008-get.log 5607 Log file, useful mostly for debugging
These files should be available for 24 hours.