pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7017-161_Miss_Louisa_Drummonds_Reel.ps) >>/Users/jc/w/tmp/Tune-7017-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WilliamCampbell/10thBook/161_Miss_Louisa_Drummonds_Reel.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_7017.log 291355 Log file, useful mostly for debugging
Coll_70171.log 287141 Log file, useful mostly for debugging
Coll_70172.log 701619 Log file, useful mostly for debugging
Coll_70175.log 291355 Log file, useful mostly for debugging
Coll_70177.log 289950 Log file, useful mostly for debugging
Tune-7017-161_Miss_Louisa_Drummonds_Reel.abc 1338 ABC music file with the extracted tune(s)
Tune-7017-161_Miss_Louisa_Drummonds_Reel.ps 39446 PostScript
Tune-7017-161_Miss_Louisa_Drummonds_Reel.txt 1338 Plain-text file with the extracted tune(s)
Tune-7017-get.log 8696 Log file, useful mostly for debugging
Tune-70170-get.log 5085 Log file, useful mostly for debugging
Tune-70176-get.log 5902 Log file, useful mostly for debugging
Tune-70179-Hamilton_HUTB1-1844-V2.abc 162 ABC music file with the extracted tune(s)
Tune-70179-Hamilton_HUTB1-1844-V2.txt 162 Plain-text file with the extracted tune(s)
Tune-70179-get.log 3422 Log file, useful mostly for debugging
These files should be available for 24 hours.