pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7525-070_Ten_OClock.ps) >>/Users/jc/w/tmp/Tune-7525-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EverydaySongBook/070_Ten_OClock.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Sess-75250.log 118 Log file, useful mostly for debugging
Tune-7525-070_Ten_OClock.abc 556 ABC music file with the extracted tune(s)
Tune-7525-070_Ten_OClock.ps 32110 PostScript
Tune-7525-070_Ten_OClock.txt 556 Plain-text file with the extracted tune(s)
Tune-7525-get.log 4532 Log file, useful mostly for debugging
Tune-75257-UpTailesAll.abc 182 ABC music file with the extracted tune(s)
Tune-75257-UpTailesAll.pdf 7601 Portable Data Format
Tune-75257-UpTailesAll.ps 31730 PostScript
Tune-75257-UpTailesAll.txt 182 Plain-text file with the extracted tune(s)
Tune-75257-get.log 5266 Log file, useful mostly for debugging
These files should be available for 24 hours.