pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1086-20311_Herberts_Waltz.ps) >>/Users/jc/w/tmp/Tune-1086-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20311_Herberts_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
Coll_10860.log 264661 Log file, useful mostly for debugging
Coll_10867.log 266066 Log file, useful mostly for debugging
Coll_10868.log 137645 Log file, useful mostly for debugging
Tune-1086-20311_Herberts_Waltz.abc 846 ABC music file with the extracted tune(s)
Tune-1086-20311_Herberts_Waltz.ps 40058 PostScript
Tune-1086-20311_Herberts_Waltz.txt 846 Plain-text file with the extracted tune(s)
Tune-1086-get.log 10426 Log file, useful mostly for debugging
Tune-10861-get.log 9909 Log file, useful mostly for debugging
Tune-10866-get.log 15694 Log file, useful mostly for debugging
Tune-10867-get.log 5026 Log file, useful mostly for debugging
Tune-10868-get.log 5768 Log file, useful mostly for debugging
These files should be available for 24 hours.