pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-30915-20861_Hamilton_Sett_tune_1.ps) >>/Users/jc/w/tmp/Tune-30915-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20861_Hamilton_Sett_tune_1.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_30915.log 830501 Log file, useful mostly for debugging
Tune-30915-20861_Hamilton_Sett_tune_1.abc 941 ABC music file with the extracted tune(s)
Tune-30915-20861_Hamilton_Sett_tune_1.ps 36972 PostScript
Tune-30915-20861_Hamilton_Sett_tune_1.txt 941 Plain-text file with the extracted tune(s)
Tune-30915-get.log 5001 Log file, useful mostly for debugging
These files should be available for 24 hours.