pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-112-Chestnut_Farewell.ps) >>/Users/jc/w/tmp/Tune-112-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/BruceShawyer/old/Chestnut_Farewell.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_11205.log 149462 Log file, useful mostly for debugging
Coll_11242.log 263379 Log file, useful mostly for debugging
Coll_11268.log 139177 Log file, useful mostly for debugging
Coll_11270.log 142807 Log file, useful mostly for debugging
Coll_11283.log 263379 Log file, useful mostly for debugging
Coll_11286.log 287161 Log file, useful mostly for debugging
Coll_11298.log 263379 Log file, useful mostly for debugging
Find_11208.log 1639 Log file, useful mostly for debugging
Find_11236.log 1579 Log file, useful mostly for debugging
Form_11202.log 863 Log file, useful mostly for debugging
Form_11205.log 883 Log file, useful mostly for debugging
Form_11220.log 859 Log file, useful mostly for debugging
Form_11229.log 858 Log file, useful mostly for debugging
Form_11235.log 849 Log file, useful mostly for debugging
Form_11237.log 872 Log file, useful mostly for debugging
Form_11264.log 844 Log file, useful mostly for debugging
Tune-112-Chestnut_Farewell.abc 614 ABC music file with the extracted tune(s)
Tune-112-Chestnut_Farewell.ps 34768 PostScript
Tune-112-Chestnut_Farewell.txt 614 Plain-text file with the extracted tune(s)
Tune-112-get.log 4512 Log file, useful mostly for debugging
Tune-11203-get.log 3635 Log file, useful mostly for debugging
Tune-11204-get.log 2227 Log file, useful mostly for debugging
Tune-11223-get.log 3258 Log file, useful mostly for debugging
Tune-11230-get.log 7172 Log file, useful mostly for debugging
Tune-11240-get.log 3641 Log file, useful mostly for debugging
Tune-11241-get.log 3732 Log file, useful mostly for debugging
Tune-11243-get.log 4192 Log file, useful mostly for debugging
Tune-11254-get.log 3830 Log file, useful mostly for debugging
Tune-11258-get.log 4993 Log file, useful mostly for debugging
Tune-11276-get.log 3300 Log file, useful mostly for debugging
Tune-11281-get.log 9837 Log file, useful mostly for debugging
Tune-11284-get.log 3392 Log file, useful mostly for debugging
Tune-11290-get.log 3306 Log file, useful mostly for debugging
Tune-11297-get.log 3731 Log file, useful mostly for debugging
These files should be available for 24 hours.