pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5490-4302.ps) >>/Users/jc/w/tmp/Tune-5490-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/4302=the_Maids_of_Arrochar.abc2.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_54900.log 530727 Log file, useful mostly for debugging
Coll_54907.log 527917 Log file, useful mostly for debugging
Coll_54909.log 260446 Log file, useful mostly for debugging
Form_5490.log 853 Log file, useful mostly for debugging
Form_54908.log 1785 Log file, useful mostly for debugging
Sess-54903.log 2941402 Log file, useful mostly for debugging
Tune-5490-4302.abc 1064 ABC music file with the extracted tune(s)
Tune-5490-4302.ps 41160 PostScript
Tune-5490-4302.txt 1064 Plain-text file with the extracted tune(s)
Tune-5490-get.log 4635 Log file, useful mostly for debugging
Tune-54902-get.log 7896 Log file, useful mostly for debugging
Tune-54903-RobertBremner_CSRCD1.abc 168 ABC music file with the extracted tune(s)
Tune-54903-RobertBremner_CSRCD1.ps 6 PostScript
Tune-54903-RobertBremner_CSRCD1.txt 168 Plain-text file with the extracted tune(s)
Tune-54903-get.log 4265 Log file, useful mostly for debugging
Tune-54905-get.log 4016 Log file, useful mostly for debugging
Tune-54907-get.log 14932 Log file, useful mostly for debugging
These files should be available for 24 hours.