Mismatch: X:18541 doesn't match requested X:11312
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-81385-SelectionOfDancesReelsAndWaltzes_2.ps) >>/Users/jc/w/tmp/Tune-81385-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Button_Whitaker/SelectionOfDancesReelsAndWaltzes_2.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-81385-SelectionOfDancesReelsAndWaltzes_2.abc 1431 ABC music file with the extracted tune(s)
Tune-81385-SelectionOfDancesReelsAndWaltzes_2.ps 41198 PostScript
Tune-81385-SelectionOfDancesReelsAndWaltzes_2.txt 1431 Plain-text file with the extracted tune(s)
Tune-81385-get.log 11059 Log file, useful mostly for debugging
These files should be available for 24 hours.