pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6555-Gardners_Hornpipe_ABC.ps) >>/Users/jc/w/tmp/Tune-6555-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JamesCampbell/Gardners_Hornpipe_ABC.abc

Error exit status 256; here are some files to check:

[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_65559.log 141614 Log file, useful mostly for debugging
Tune-6555-Gardners_Hornpipe_ABC.abc 622 ABC music file with the extracted tune(s)
Tune-6555-Gardners_Hornpipe_ABC.ps 37145 PostScript
Tune-6555-Gardners_Hornpipe_ABC.txt 622 Plain-text file with the extracted tune(s)
Tune-6555-get.log 4737 Log file, useful mostly for debugging
Tune-65550-1311_Lady_Harriot_Hope.abc 833 ABC music file with the extracted tune(s)
Tune-65550-1311_Lady_Harriot_Hope.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-65550-1311_Lady_Harriot_Hope.ps 37946 PostScript
Tune-65550-1311_Lady_Harriot_Hope.txt 833 Plain-text file with the extracted tune(s)
Tune-65550-get.log 5593 Log file, useful mostly for debugging
Tune-65551-24CountryDances_1766_various.abc 169 ABC music file with the extracted tune(s)
Tune-65551-24CountryDances_1766_various.pdf 2217 Portable Data Format
Tune-65551-24CountryDances_1766_various.ps 6 PostScript
Tune-65551-24CountryDances_1766_various.txt 169 Plain-text file with the extracted tune(s)
Tune-65551-get.log 13307 Log file, useful mostly for debugging
Tune-65552-get.log 4367 Log file, useful mostly for debugging
Tune-65553-get.log 3863 Log file, useful mostly for debugging
Tune-65554-JamesJohnson_ScotsMusicalMuseumV5-V1.abc 170 ABC music file with the extracted tune(s)
Tune-65554-JamesJohnson_ScotsMusicalMuseumV5-V1.ps 6 PostScript
Tune-65554-JamesJohnson_ScotsMusicalMuseumV5-V1.txt 170 Plain-text file with the extracted tune(s)
Tune-65554-get.log 4519 Log file, useful mostly for debugging
Tune-65557-get.log 5811 Log file, useful mostly for debugging
Tune-65558-get.log 3547 Log file, useful mostly for debugging
Tune-65559-get.log 5630 Log file, useful mostly for debugging
These files should be available for 24 hours.