pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-59961-20584_Scotch_Reel.ps) >>/Users/jc/w/tmp/Tune-59961-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20584_Scotch_Reel.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-59961-20584_Scotch_Reel.abc 543 ABC music file with the extracted tune(s)
Tune-59961-20584_Scotch_Reel.ps 33213 PostScript
Tune-59961-20584_Scotch_Reel.txt 543 Plain-text file with the extracted tune(s)
Tune-59961-RobertPurdie_TomThumb.abc 5666 ABC music file with the extracted tune(s)
Tune-59961-RobertPurdie_TomThumb.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-59961-RobertPurdie_TomThumb.ps 67102 PostScript
Tune-59961-RobertPurdie_TomThumb.txt 5666 Plain-text file with the extracted tune(s)
Tune-59961-get.log 13627 Log file, useful mostly for debugging
These files should be available for 24 hours.