pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-716-20631_Sugar_in_the_Gourd.ps) >>/Users/jc/w/tmp/Tune-716-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20631_Sugar_in_the_Gourd.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_7160.log 294611 Log file, useful mostly for debugging
Coll_71621.log 286209 Log file, useful mostly for debugging
Coll_71637.log 270810 Log file, useful mostly for debugging
Coll_71652.log 138828 Log file, useful mostly for debugging
Coll_71677.log 276412 Log file, useful mostly for debugging
Find_71604.log 1819 Log file, useful mostly for debugging
Find_71648.log 1815 Log file, useful mostly for debugging
Find_71672.log 1415 Log file, useful mostly for debugging
Find_71689.log 1800 Log file, useful mostly for debugging
List71608.log 162 Log file, useful mostly for debugging
List71615.log 164 Log file, useful mostly for debugging
List71632.log 166 Log file, useful mostly for debugging
Tune-716-20631_Sugar_in_the_Gourd.abc 1422 ABC music file with the extracted tune(s)
Tune-716-20631_Sugar_in_the_Gourd.ps 48440 PostScript
Tune-716-20631_Sugar_in_the_Gourd.txt 1422 Plain-text file with the extracted tune(s)
Tune-716-get.log 5051 Log file, useful mostly for debugging
Tune-71600-get.log 3312 Log file, useful mostly for debugging
Tune-71615-get.log 3290 Log file, useful mostly for debugging
Tune-71627-24CountryDances_1794_Preston.abc 168 ABC music file with the extracted tune(s)
Tune-71627-24CountryDances_1794_Preston.txt 168 Plain-text file with the extracted tune(s)
Tune-71627-get.log 3526 Log file, useful mostly for debugging
Tune-71630-CaledonianMusicalRepository_1806.abc 169 ABC music file with the extracted tune(s)
Tune-71630-CaledonianMusicalRepository_1806.ps 6 PostScript
Tune-71630-CaledonianMusicalRepository_1806.txt 169 Plain-text file with the extracted tune(s)
Tune-71630-get.log 8620 Log file, useful mostly for debugging
Tune-71643-get.log 5170 Log file, useful mostly for debugging
Tune-71649-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.abc 187 ABC music file with the extracted tune(s)
Tune-71649-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.pdf 2217 Portable Data Format
Tune-71649-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.ps 6 PostScript
Tune-71649-Button_Whitaker_SelectionOfDancesReelsAndWaltzes_1.txt 187 Plain-text file with the extracted tune(s)
Tune-71649-get.log 6042 Log file, useful mostly for debugging
Tune-71652-get.log 4356 Log file, useful mostly for debugging
Tune-71660-get.log 4377 Log file, useful mostly for debugging
Tune-7168-get.log 4799 Log file, useful mostly for debugging
Tune-71693-get.log 2578 Log file, useful mostly for debugging
Tune-71696-get.log 4488 Log file, useful mostly for debugging
These files should be available for 24 hours.