pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-99569-Big_Als_March_On_the_ocassion_of_his_promotion_to_Sergeant_Major_1.ps) >>/Users/jc/w/tmp/Tune-99569-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/corneymusers/Big_Als_March_On_the_ocassion_of_his_promotion_to_Sergeant_Major_1.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
Form_99569.log 771 Log file, useful mostly for debugging
Tune-99569-Big_Als_March_On_the_ocassion_of_his_promotion_to_Sergeant_Major_1.abc 927 ABC music file with the extracted tune(s)
Tune-99569-Big_Als_March_On_the_ocassion_of_his_promotion_to_Sergeant_Major_1.ps 46272 PostScript
Tune-99569-Big_Als_March_On_the_ocassion_of_his_promotion_to_Sergeant_Major_1.txt 927 Plain-text file with the extracted tune(s)
Tune-99569-get.log 5994 Log file, useful mostly for debugging
These files should be available for 24 hours.