pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7098-WIA_WIM.ps) >>/Users/jc/w/tmp/Tune-7098-get.log 2>&1" returned status 256
http://www.ibiblio.org/fiddlers/WIA_WIM.htm

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_7098.log 811 Log file, useful mostly for debugging
Tune-7098-WIA_WIM.abc 437 ABC music file with the extracted tune(s)
Tune-7098-WIA_WIM.ps 37576 PostScript
Tune-7098-WIA_WIM.txt 437 Plain-text file with the extracted tune(s)
Tune-7098-get.log 6145 Log file, useful mostly for debugging
Tune-70987-Daniels_Reel-D-32-4.abc 498 ABC music file with the extracted tune(s)
Tune-70987-Daniels_Reel-D-32-4.ps 36010 PostScript
Tune-70987-Daniels_Reel-D-32-4.txt 498 Plain-text file with the extracted tune(s)
Tune-70987-get.log 8257 Log file, useful mostly for debugging
These files should be available for 24 hours.