pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1580-10343_Von_Webbers_Favorite_Waltz.ps) >>/Users/jc/w/tmp/Tune-1580-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10343_Von_Webbers_Favorite_Waltz.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-1580-10343_Von_Webbers_Favorite_Waltz.abc 822 ABC music file with the extracted tune(s)
Tune-1580-10343_Von_Webbers_Favorite_Waltz.ps 35281 PostScript
Tune-1580-10343_Von_Webbers_Favorite_Waltz.txt 822 Plain-text file with the extracted tune(s)
Tune-1580-get.log 10409 Log file, useful mostly for debugging
Tune-15800-get.log 30228 Log file, useful mostly for debugging
Tune-15801-get.log 7242 Log file, useful mostly for debugging
Tune-15803-get.log 4392 Log file, useful mostly for debugging
Tune-15805-get.log 4598 Log file, useful mostly for debugging
Tune-15807-get.log 4385 Log file, useful mostly for debugging
Tune-15809-get.log 9349 Log file, useful mostly for debugging
These files should be available for 24 hours.