pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9510-CFD_Vol1_webready.ps) >>/Users/jc/w/tmp/Tune-9510-get.log 2>&1" returned status 256
http://fifedrum.org/resources/abc/CFD_Vol1_webready.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_95109.log 133732 Log file, useful mostly for debugging
Find_95109.log 1419 Log file, useful mostly for debugging
Form_95102.log 867 Log file, useful mostly for debugging
Form_95108.log 836 Log file, useful mostly for debugging
Tune-9510-CFD_Vol1_webready.abc 290 ABC music file with the extracted tune(s)
Tune-9510-CFD_Vol1_webready.ps 34062 PostScript
Tune-9510-CFD_Vol1_webready.txt 290 Plain-text file with the extracted tune(s)
Tune-9510-get.log 4422 Log file, useful mostly for debugging
Tune-95102-get.log 3148 Log file, useful mostly for debugging
Tune-95104-get.log 4193 Log file, useful mostly for debugging
These files should be available for 24 hours.