pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-33114-30411_Montezuma_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-33114-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/30411_Montezuma_Hornpipe.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-33114-30411_Montezuma_Hornpipe.abc 785 ABC music file with the extracted tune(s)
Tune-33114-30411_Montezuma_Hornpipe.ps 35219 PostScript
Tune-33114-30411_Montezuma_Hornpipe.txt 785 Plain-text file with the extracted tune(s)
Tune-33114-Cock_O_the_North.abc 400 ABC music file with the extracted tune(s)
Tune-33114-Cock_O_the_North.ps 33865 PostScript
Tune-33114-Cock_O_the_North.txt 400 Plain-text file with the extracted tune(s)
Tune-33114-LulleMeBeyondThee.abc 451 ABC music file with the extracted tune(s)
Tune-33114-LulleMeBeyondThee.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-33114-LulleMeBeyondThee.ps 33231 PostScript
Tune-33114-LulleMeBeyondThee.txt 451 Plain-text file with the extracted tune(s)
Tune-33114-get.log 15134 Log file, useful mostly for debugging
These files should be available for 24 hours.