pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7009-slurs.ps) >>/Users/jc/w/tmp/Tune-7009-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/WilliamCampbell/10thBook/slurs.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_70095.log 291355 Log file, useful mostly for debugging
Tune-7009-get.log 3881 Log file, useful mostly for debugging
Tune-7009-slurs.abc 34 ABC music file with the extracted tune(s)
Tune-7009-slurs.ps 6 PostScript
Tune-7009-slurs.txt 34 Plain-text file with the extracted tune(s)
Tune-70090-get.log 4464 Log file, useful mostly for debugging
Tune-70091-get.log 5660 Log file, useful mostly for debugging
Tune-70096-CSGBT_1794-V1.abc 153 ABC music file with the extracted tune(s)
Tune-70096-CSGBT_1794-V1.pdf 2217 Portable Data Format
Tune-70096-CSGBT_1794-V1.ps 6 PostScript
Tune-70096-CSGBT_1794-V1.txt 153 Plain-text file with the extracted tune(s)
Tune-70096-get.log 4991 Log file, useful mostly for debugging
These files should be available for 24 hours.