pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5571-HUTB2-1846-V1.ps) >>/Users/jc/w/tmp/Tune-5571-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Hamilton/HUTB2-1846-V1.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_5571.log 1548 Log file, useful mostly for debugging
Tune-5571-HUTB2-1846-V1.abc 940 ABC music file with the extracted tune(s)
Tune-5571-HUTB2-1846-V1.ps 38959 PostScript
Tune-5571-HUTB2-1846-V1.txt 940 Plain-text file with the extracted tune(s)
Tune-5571-get.log 132665 Log file, useful mostly for debugging
Tune-55714-Teetotalers_Reel-G-32-4.abc 569 ABC music file with the extracted tune(s)
Tune-55714-Teetotalers_Reel-G-32-4.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-55714-Teetotalers_Reel-G-32-4.ps 35733 PostScript
Tune-55714-Teetotalers_Reel-G-32-4.txt 569 Plain-text file with the extracted tune(s)
Tune-55714-get.log 5919 Log file, useful mostly for debugging
These files should be available for 24 hours.