pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-437-UponASummersDay_PLFD1651_101.ps) >>/Users/jc/w/tmp/Tune-437-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/UponASummersDay_PLFD1651_101.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_4370.log 283412 Log file, useful mostly for debugging
Coll_43700.log 308608 Log file, useful mostly for debugging
Coll_43715.log 314210 Log file, useful mostly for debugging
Coll_43719.log 273612 Log file, useful mostly for debugging
Coll_43727.log 307210 Log file, useful mostly for debugging
Coll_43738.log 304409 Log file, useful mostly for debugging
Coll_43747.log 283409 Log file, useful mostly for debugging
Coll_43749.log 291810 Log file, useful mostly for debugging
Coll_43765.log 291811 Log file, useful mostly for debugging
Coll_43776.log 291809 Log file, useful mostly for debugging
Coll_43783.log 294612 Log file, useful mostly for debugging
Coll_43788.log 291810 Log file, useful mostly for debugging
Tune-437-UponASummersDay_PLFD1651_101.abc 443 ABC music file with the extracted tune(s)
Tune-437-UponASummersDay_PLFD1651_101.ps 33936 PostScript
Tune-437-UponASummersDay_PLFD1651_101.txt 443 Plain-text file with the extracted tune(s)
Tune-437-get.log 6149 Log file, useful mostly for debugging
Tune-43711-get.log 2628 Log file, useful mostly for debugging
Tune-43731-get.log 1331 Log file, useful mostly for debugging
Tune-43736-get.log 1410 Log file, useful mostly for debugging
Tune-43742-get.log 1386 Log file, useful mostly for debugging
Tune-43759-get.log 1270 Log file, useful mostly for debugging
Tune-43760-get.log 1261 Log file, useful mostly for debugging
Tune-43768-get.log 1270 Log file, useful mostly for debugging
Tune-43774-get.log 1342 Log file, useful mostly for debugging
Tune-43779-get.log 1429 Log file, useful mostly for debugging
These files should be available for 24 hours.