pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4676-4102.ps) >>/Users/jc/w/tmp/Tune-4676-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR/4102=Block_Jock.abc2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_46761.log 1591 Log file, useful mostly for debugging
Tune-4676-4102.abc 1517 ABC music file with the extracted tune(s)
Tune-4676-4102.ps 46110 PostScript
Tune-4676-4102.txt 1517 Plain-text file with the extracted tune(s)
Tune-4676-get.log 4777 Log file, useful mostly for debugging
Tune-46761-get.log 11066 Log file, useful mostly for debugging
Tune-46762-get.log 6343 Log file, useful mostly for debugging
Tune-46762-have_you_met_miss_jones.abc 1496 ABC music file with the extracted tune(s)
Tune-46762-have_you_met_miss_jones.ps 41536 PostScript
Tune-46762-have_you_met_miss_jones.txt 1496 Plain-text file with the extracted tune(s)
Tune-46763-Gow-CSR1-abc1.abc 148 ABC music file with the extracted tune(s)
Tune-46763-Gow-CSR1-abc1.pdf 2217 Portable Data Format
Tune-46763-Gow-CSR1-abc1.ps 6 PostScript
Tune-46763-Gow-CSR1-abc1.txt 148 Plain-text file with the extracted tune(s)
Tune-46763-get.log 10788 Log file, useful mostly for debugging
Tune-46765-get.log 4245 Log file, useful mostly for debugging
Tune-46769-get.log 4243 Log file, useful mostly for debugging
These files should be available for 24 hours.