pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-273-2225_Last_Nights_Fun.ps) >>/Users/jc/w/tmp/Tune-273-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2225_Last_Nights_Fun.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_27311.log 1583004 Log file, useful mostly for debugging
Coll_27325.log 136208 Log file, useful mostly for debugging
Coll_27326.log 137517 Log file, useful mostly for debugging
Coll_27353.log 147998 Log file, useful mostly for debugging
Coll_27354.log 137518 Log file, useful mostly for debugging
Coll_27355.log 142103 Log file, useful mostly for debugging
Coll_27356.log 132931 Log file, useful mostly for debugging
Find_27379.log 1519 Log file, useful mostly for debugging
Find_2739.log 1598 Log file, useful mostly for debugging
Tune-273-2225_Last_Nights_Fun.abc 480 ABC music file with the extracted tune(s)
Tune-273-2225_Last_Nights_Fun.ps 34111 PostScript
Tune-273-2225_Last_Nights_Fun.txt 480 Plain-text file with the extracted tune(s)
Tune-273-get.log 4652 Log file, useful mostly for debugging
Tune-27315-get.log 1292 Log file, useful mostly for debugging
Tune-27319-get.log 5881 Log file, useful mostly for debugging
Tune-27324-IaST-abc2.abc 146 ABC music file with the extracted tune(s)
Tune-27324-IaST-abc2.ps 6 PostScript
Tune-27324-IaST-abc2.txt 146 Plain-text file with the extracted tune(s)
Tune-27324-get.log 3970 Log file, useful mostly for debugging
Tune-27331-CJSurtees.abc 146 ABC music file with the extracted tune(s)
Tune-27331-CJSurtees.txt 146 Plain-text file with the extracted tune(s)
Tune-27331-get.log 3166 Log file, useful mostly for debugging
Tune-27336-Gow-CSR4-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-27336-Gow-CSR4-abc2.ps 6 PostScript
Tune-27336-Gow-CSR4-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-27336-get.log 4054 Log file, useful mostly for debugging
Tune-27337-get.log 5918 Log file, useful mostly for debugging
Tune-27348-SCD_Book49-V2.abc 150 ABC music file with the extracted tune(s)
Tune-27348-SCD_Book49-V2.ps 6 PostScript
Tune-27348-SCD_Book49-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-27348-get.log 5322 Log file, useful mostly for debugging
Tune-27358-get.log 5809 Log file, useful mostly for debugging
Tune-27365-FARNE_Anonymous1.abc 153 ABC music file with the extracted tune(s)
Tune-27365-FARNE_Anonymous1.pdf 2217 Portable Data Format
Tune-27365-FARNE_Anonymous1.ps 6 PostScript
Tune-27365-FARNE_Anonymous1.txt 153 Plain-text file with the extracted tune(s)
Tune-27365-get.log 5056 Log file, useful mostly for debugging
Tune-27383-BostonCollection.abc 153 ABC music file with the extracted tune(s)
Tune-27383-BostonCollection.ps 6 PostScript
Tune-27383-BostonCollection.txt 153 Plain-text file with the extracted tune(s)
Tune-27383-get.log 10154 Log file, useful mostly for debugging
Tune-27385-DanielWright_ECPMH.abc 155 ABC music file with the extracted tune(s)
Tune-27385-DanielWright_ECPMH.ps 6 PostScript
Tune-27385-DanielWright_ECPMH.txt 155 Plain-text file with the extracted tune(s)
Tune-27385-get.log 4159 Log file, useful mostly for debugging
These files should be available for 24 hours.