pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-40966-153_Carles_Sally.ps) >>/Users/jc/w/tmp/Tune-40966-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnTreat/GftF/153_Carles_Sally.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_40966.log 490869 Log file, useful mostly for debugging
Tune-40966-153_Carles_Sally.abc 537 ABC music file with the extracted tune(s)
Tune-40966-153_Carles_Sally.ps 33697 PostScript
Tune-40966-153_Carles_Sally.txt 537 Plain-text file with the extracted tune(s)
Tune-40966-get.log 4588 Log file, useful mostly for debugging
These files should be available for 24 hours.