pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8894-16072-Mrs_Eleanora_Robertsons_Reel-1.ps) >>/Users/jc/w/tmp/Tune-8894-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book16/16072-Mrs_Eleanora_Robertsons_Reel-1.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
Coll_88941.log 272339 Log file, useful mostly for debugging
Tune-8894-16072-Mrs_Eleanora_Robertsons_Reel-1.abc 430 ABC music file with the extracted tune(s)
Tune-8894-16072-Mrs_Eleanora_Robertsons_Reel-1.ps 35016 PostScript
Tune-8894-16072-Mrs_Eleanora_Robertsons_Reel-1.txt 430 Plain-text file with the extracted tune(s)
Tune-8894-get.log 4905 Log file, useful mostly for debugging
These files should be available for 24 hours.