pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37698-053-Thanksgiving-V1.ps) >>/Users/jc/w/tmp/Tune-37698-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EverydaySongBook/053-Thanksgiving-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-37698-053-Thanksgiving-V1.abc 2840 ABC music file with the extracted tune(s)
Tune-37698-053-Thanksgiving-V1.ps 44821 PostScript
Tune-37698-053-Thanksgiving-V1.txt 2840 Plain-text file with the extracted tune(s)
Tune-37698-10782_Tom_Bowling.abc 674 ABC music file with the extracted tune(s)
Tune-37698-10782_Tom_Bowling.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-37698-10782_Tom_Bowling.ps 36647 PostScript
Tune-37698-10782_Tom_Bowling.txt 674 Plain-text file with the extracted tune(s)
Tune-37698-get.log 11232 Log file, useful mostly for debugging
These files should be available for 24 hours.