pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13358-10431_Devils_Dream.ps) >>/Users/jc/w/tmp/Tune-13358-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/10431_Devils_Dream.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_13358.log 147965 Log file, useful mostly for debugging
Form_13358.log 1660 Log file, useful mostly for debugging
Tune-13358-10431_Devils_Dream.abc 653 ABC music file with the extracted tune(s)
Tune-13358-10431_Devils_Dream.ps 35076 PostScript
Tune-13358-10431_Devils_Dream.txt 653 Plain-text file with the extracted tune(s)
Tune-13358-get.log 4782 Log file, useful mostly for debugging
These files should be available for 24 hours.