pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-63039-bbot1.ps) >>/Users/jc/w/tmp/Tune-63039-get.log 2>&1" returned status 256
http://www.arcelts.com/bbot1/bbot1.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-63039-bbot1.abc 318 ABC music file with the extracted tune(s)
Tune-63039-bbot1.ps 36706 PostScript
Tune-63039-bbot1.txt 318 Plain-text file with the extracted tune(s)
Tune-63039-get.log 4025 Log file, useful mostly for debugging
These files should be available for 24 hours.