pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-73785-071-Reel_of_the_Royal_Scots-TT.ps) >>/Users/jc/w/tmp/Tune-73785-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Leaflet/071-Reel_of_the_Royal_Scots-TT.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-73785-071-Reel_of_the_Royal_Scots-TT.abc 845 ABC music file with the extracted tune(s)
Tune-73785-071-Reel_of_the_Royal_Scots-TT.ps 39714 PostScript
Tune-73785-071-Reel_of_the_Royal_Scots-TT.txt 845 Plain-text file with the extracted tune(s)
Tune-73785-get.log 6199 Log file, useful mostly for debugging
These files should be available for 24 hours.