pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4202-w2.ps) >>/Users/jc/w/tmp/Tune-4202-get.log 2>&1" returned status 256
http://www.math.dartmouth.edu/~doyle/docs/waugh/w2.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_4202.log 71474 Log file, useful mostly for debugging
Coll_42022.log 254919 Log file, useful mostly for debugging
Tune-4202-get.log 7258 Log file, useful mostly for debugging
Tune-4202-w2.abc 360 ABC music file with the extracted tune(s)
Tune-4202-w2.ps 36030 PostScript
Tune-4202-w2.txt 360 Plain-text file with the extracted tune(s)
Tune-42020-get.log 3258 Log file, useful mostly for debugging
These files should be available for 24 hours.