pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35892-21__1-Braes_of_Breadalbane.ps) >>/Users/jc/w/tmp/Tune-35892-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book21/21__1-Braes_of_Breadalbane.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_35892.log 64994 Log file, useful mostly for debugging
Tune-35892-21__1-Braes_of_Breadalbane.abc 412 ABC music file with the extracted tune(s)
Tune-35892-21__1-Braes_of_Breadalbane.ps 36070 PostScript
Tune-35892-21__1-Braes_of_Breadalbane.txt 412 Plain-text file with the extracted tune(s)
Tune-35892-get.log 4717 Log file, useful mostly for debugging
These files should be available for 24 hours.