pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4284-Landrin_Potpourri.ps) >>/Users/jc/w/tmp/Tune-4284-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Landrin/Potpourri/Landrin_Potpourri.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-4284-Landrin_Potpourri.abc 661 ABC music file with the extracted tune(s)
Tune-4284-Landrin_Potpourri.ps 35318 PostScript
Tune-4284-Landrin_Potpourri.txt 661 Plain-text file with the extracted tune(s)
Tune-4284-get.log 4552 Log file, useful mostly for debugging
Tune-42845-get.log 4932 Log file, useful mostly for debugging
These files should be available for 24 hours.