pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-14187-A_Bright_May_Morning.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-14187-A_Bright_May_Morning.ps 2>>/Users/jc/w/tmp/Tune-14187-get.log" returned status 34816.
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-14187-A_Bright_May_Morning.ps) >>/Users/jc/w/tmp/Tune-14187-get.log 2>&1" returned status 256
http://tradtune.com/945672/A_Bright_May_Morning.htm

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-14187-A_Bright_May_Morning.abc 271 ABC music file with the extracted tune(s)
Tune-14187-A_Bright_May_Morning.ps 30552 PostScript
Tune-14187-A_Bright_May_Morning.txt 271 Plain-text file with the extracted tune(s)
Tune-14187-get.log 4571 Log file, useful mostly for debugging
These files should be available for 24 hours.