pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9896-1608-Ca_the_Ewes_tae_the_Knowes-AL.ps) >>/Users/jc/w/tmp/Tune-9896-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book16/1608-Ca_the_Ewes_tae_the_Knowes-AL.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_98965.log 272339 Log file, useful mostly for debugging
Coll_98967.log 68234 Log file, useful mostly for debugging
Form_98960.log 764 Log file, useful mostly for debugging
Form_98961.log 771 Log file, useful mostly for debugging
Form_98969.log 764 Log file, useful mostly for debugging
Tune-9896-1608-Ca_the_Ewes_tae_the_Knowes-AL.abc 639 ABC music file with the extracted tune(s)
Tune-9896-1608-Ca_the_Ewes_tae_the_Knowes-AL.ps 40030 PostScript
Tune-9896-1608-Ca_the_Ewes_tae_the_Knowes-AL.txt 639 Plain-text file with the extracted tune(s)
Tune-9896-get.log 4823 Log file, useful mostly for debugging
Tune-98961-get.log 5096 Log file, useful mostly for debugging
Tune-98962-get.log 1582 Log file, useful mostly for debugging
Tune-98966-get.log 5060 Log file, useful mostly for debugging
Tune-98969-get.log 3016 Log file, useful mostly for debugging
Tune-98969-u-v.abc 210 ABC music file with the extracted tune(s)
Tune-98969-u-v.txt 210 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.