Mismatch: X:42 doesn't match requested X:43
X:43 not found in http://john-chambers.us/~jc/music/book/CaledonianMusicalRepository/alltunes.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19924-alltunes.ps) >>/Users/jc/w/tmp/Tune-19924-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CaledonianMusicalRepository/alltunes.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
Tune-19924-alltunes.abc 0 ABC music file with the extracted tune(s)
Tune-19924-alltunes.ps 6 PostScript
Tune-19924-alltunes.txt 0 Plain-text file with the extracted tune(s)
Tune-19924-get.log 48223 Log file, useful mostly for debugging
These files should be available for 24 hours.