pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7355-113_Dr_Sewarts_Reel.ps) >>/Users/jc/w/tmp/Tune-7355-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WilliamChristie/113_Dr_Sewarts_Reel.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-7355-113_Dr_Sewarts_Reel.abc 991 ABC music file with the extracted tune(s)
Tune-7355-113_Dr_Sewarts_Reel.ps 38338 PostScript
Tune-7355-113_Dr_Sewarts_Reel.txt 991 Plain-text file with the extracted tune(s)
Tune-7355-get.log 4667 Log file, useful mostly for debugging
Tune-73552-NancysFancy-001.svg 17452 Scalable Vector Graphics format
Tune-73552-NancysFancy.abc 488 ABC music file with the extracted tune(s)
Tune-73552-NancysFancy.txt 488 Plain-text file with the extracted tune(s)
Tune-73552-get.log 9195 Log file, useful mostly for debugging
These files should be available for 24 hours.