pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-720-Six_Twenty_Two_Step_J.ps) >>/Users/jc/w/tmp/Tune-720-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/tastysoftware.com/abc/Six_Twenty_Two_Step_J.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_720.log 260931 Log file, useful mostly for debugging
Coll_72064.log 260932 Log file, useful mostly for debugging
Form_720.log 927 Log file, useful mostly for debugging
Form_72004.log 894 Log file, useful mostly for debugging
Form_72032.log 906 Log file, useful mostly for debugging
Form_72049.log 941 Log file, useful mostly for debugging
Form_72077.log 929 Log file, useful mostly for debugging
Tune-720-Six_Twenty_Two_Step_J.abc 1464 ABC music file with the extracted tune(s)
Tune-720-Six_Twenty_Two_Step_J.ps 45790 PostScript
Tune-720-Six_Twenty_Two_Step_J.txt 1464 Plain-text file with the extracted tune(s)
Tune-720-get.log 5692 Log file, useful mostly for debugging
Tune-72028-Fox-001.svg 28320 Scalable Vector Graphics format
Tune-72028-Fox.abc 670 ABC music file with the extracted tune(s)
Tune-72028-Fox.txt 670 Plain-text file with the extracted tune(s)
Tune-72028-get.log 59270 Log file, useful mostly for debugging
Tune-72076-get.log 76553 Log file, useful mostly for debugging
Tune-72076-nige-001.svg 4510 Scalable Vector Graphics format
Tune-72076-nige.abc 211 ABC music file with the extracted tune(s)
Tune-72076-nige.txt 211 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.