pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8097-20232_Lieut_Shields_Grand_March.ps) >>/Users/jc/w/tmp/Tune-8097-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20232_Lieut_Shields_Grand_March.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Form_80972.log 997 Log file, useful mostly for debugging
Tune-8097-20232_Lieut_Shields_Grand_March.abc 987 ABC music file with the extracted tune(s)
Tune-8097-20232_Lieut_Shields_Grand_March.ps 35735 PostScript
Tune-8097-20232_Lieut_Shields_Grand_March.txt 987 Plain-text file with the extracted tune(s)
Tune-8097-get.log 5170 Log file, useful mostly for debugging
Tune-80974-get.log 4057 Log file, useful mostly for debugging
Tune-80975-get.log 3952 Log file, useful mostly for debugging
Tune-80978-get.log 1427 Log file, useful mostly for debugging
These files should be available for 24 hours.