pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50954-20062_Washing_Day.ps) >>/Users/jc/w/tmp/Tune-50954-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20062_Washing_Day.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_50954.log 528145 Log file, useful mostly for debugging
Tune-50954-20062_Washing_Day.abc 601 ABC music file with the extracted tune(s)
Tune-50954-20062_Washing_Day.ps 33875 PostScript
Tune-50954-20062_Washing_Day.txt 601 Plain-text file with the extracted tune(s)
Tune-50954-get.log 4770 Log file, useful mostly for debugging
These files should be available for 24 hours.