pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6308-23_Fairy_Prince.ps) >>/Users/jc/w/tmp/Tune-6308-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1809/Cahusac_JC/23_Fairy_Prince.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Find_63086.log 1495 Log file, useful mostly for debugging
Tune-6308-23_Fairy_Prince.abc 948 ABC music file with the extracted tune(s)
Tune-6308-23_Fairy_Prince.ps 35457 PostScript
Tune-6308-23_Fairy_Prince.txt 948 Plain-text file with the extracted tune(s)
Tune-6308-get.log 7739 Log file, useful mostly for debugging
Tune-63080-Barsanti_CoOST.abc 153 ABC music file with the extracted tune(s)
Tune-63080-Barsanti_CoOST.ps 6 PostScript
Tune-63080-Barsanti_CoOST.txt 153 Plain-text file with the extracted tune(s)
Tune-63080-get.log 4089 Log file, useful mostly for debugging
Tune-63087-get.log 32601 Log file, useful mostly for debugging
These files should be available for 24 hours.