pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-36670-20111_.ps) >>/Users/jc/w/tmp/Tune-36670-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20111_.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-36670-20111_.abc 33 ABC music file with the extracted tune(s)
Tune-36670-20111_.ps 6 PostScript
Tune-36670-20111_.txt 33 Plain-text file with the extracted tune(s)
Tune-36670-ThomasBraysCountryDances1699.abc 165 ABC music file with the extracted tune(s)
Tune-36670-ThomasBraysCountryDances1699.pdf 2217 Portable Data Format
Tune-36670-ThomasBraysCountryDances1699.ps 6 PostScript
Tune-36670-ThomasBraysCountryDances1699.txt 165 Plain-text file with the extracted tune(s)
Tune-36670-get.log 10740 Log file, useful mostly for debugging
These files should be available for 24 hours.