pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39609-BIRKS_OF_INVERMAY_The_Ury_Water_3_2X_2.ps) >>/Users/jc/w/tmp/Tune-39609-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CaledonianCountryDances/cache/BIRKS_OF_INVERMAY_The_Ury_Water_3_2X_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-39609-BIRKS_OF_INVERMAY_The_Ury_Water_3_2X_2.abc 623 ABC music file with the extracted tune(s)
Tune-39609-BIRKS_OF_INVERMAY_The_Ury_Water_3_2X_2.ps 38292 PostScript
Tune-39609-BIRKS_OF_INVERMAY_The_Ury_Water_3_2X_2.txt 623 Plain-text file with the extracted tune(s)
Tune-39609-get.log 5286 Log file, useful mostly for debugging
These files should be available for 24 hours.