pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8789-Drummer.ps) >>/Users/jc/w/tmp/Tune-8789-get.log 2>&1" returned status 256
http://www.math.mun.ca/~bshawyer/reels/Drummer.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_87894.log 140387 Log file, useful mostly for debugging
Find_8789.log 1450 Log file, useful mostly for debugging
Find_87894.log 1491 Log file, useful mostly for debugging
Form_87896.log 822 Log file, useful mostly for debugging
Tune-8789-Drummer.abc 254 ABC music file with the extracted tune(s)
Tune-8789-Drummer.ps 35729 PostScript
Tune-8789-Drummer.txt 254 Plain-text file with the extracted tune(s)
Tune-8789-get.log 4136 Log file, useful mostly for debugging
Tune-87890-get.log 3318 Log file, useful mostly for debugging
Tune-87891-get.log 1701 Log file, useful mostly for debugging
Tune-87897-get.log 4073 Log file, useful mostly for debugging
Tune-87898-get.log 8154 Log file, useful mostly for debugging
Tune-87899-get.log 4083 Log file, useful mostly for debugging
These files should be available for 24 hours.