pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-34741-49051-Ann_Dix_of_Harmans_Water-Bb-16-4-V1.ps) >>/Users/jc/w/tmp/Tune-34741-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book49/49051-Ann_Dix_of_Harmans_Water-Bb-16-4-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
Form_34741.log 849 Log file, useful mostly for debugging
Tune-34741-49051-Ann_Dix_of_Harmans_Water-Bb-16-4-V1.abc 771 ABC music file with the extracted tune(s)
Tune-34741-49051-Ann_Dix_of_Harmans_Water-Bb-16-4-V1.ps 39214 PostScript
Tune-34741-49051-Ann_Dix_of_Harmans_Water-Bb-16-4-V1.txt 771 Plain-text file with the extracted tune(s)
Tune-34741-get.log 5084 Log file, useful mostly for debugging
These files should be available for 24 hours.