pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17968-11111_Oak_Hall_Quickstep.ps) >>/Users/jc/w/tmp/Tune-17968-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/11111_Oak_Hall_Quickstep.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_17968.log 266066 Log file, useful mostly for debugging
Tune-17968-11111_Oak_Hall_Quickstep.abc 1688 ABC music file with the extracted tune(s)
Tune-17968-11111_Oak_Hall_Quickstep.ps 44789 PostScript
Tune-17968-11111_Oak_Hall_Quickstep.txt 1688 Plain-text file with the extracted tune(s)
Tune-17968-get.log 9895 Log file, useful mostly for debugging
These files should be available for 24 hours.