pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79912-Fly_Swiftly_Ye_Minutes.ps) >>/Users/jc/w/tmp/Tune-79912-get.log 2>&1" returned status 256
http://www.tunearch.org/wiki/Fly_Swiftly_Ye_Minutes

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-79912-Fly_Swiftly_Ye_Minutes.abc 558 ABC music file with the extracted tune(s)
Tune-79912-Fly_Swiftly_Ye_Minutes.ps 38622 PostScript
Tune-79912-Fly_Swiftly_Ye_Minutes.txt 558 Plain-text file with the extracted tune(s)
Tune-79912-get.log 7408 Log file, useful mostly for debugging
These files should be available for 24 hours.