pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8925-917.ps) >>/Users/jc/w/tmp/Tune-8925-get.log 2>&1" returned status 256
http://thesession.org/tunes/917

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-8925-917.abc 220 ABC music file with the extracted tune(s)
Tune-8925-917.ps 35044 PostScript
Tune-8925-917.txt 220 Plain-text file with the extracted tune(s)
Tune-8925-get.log 3947 Log file, useful mostly for debugging
Tune-89251-Farewell_to_Ireland-Am-64-8.abc 1058 ABC music file with the extracted tune(s)
Tune-89251-Farewell_to_Ireland-Am-64-8.ps 43298 PostScript
Tune-89251-Farewell_to_Ireland-Am-64-8.txt 1058 Plain-text file with the extracted tune(s)
Tune-89251-get.log 4932 Log file, useful mostly for debugging
Tune-89252-get.log 3219 Log file, useful mostly for debugging
Tune-89253-get.log 1377 Log file, useful mostly for debugging
These files should be available for 24 hours.