pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7426-BlackbirdW_x.ps) >>/Users/jc/w/tmp/Tune-7426-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/BlackbirdW_x.abc

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

[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-7426-BlackbirdW_x.abc 676 ABC music file with the extracted tune(s)
Tune-7426-BlackbirdW_x.ps 36009 PostScript
Tune-7426-BlackbirdW_x.txt 676 Plain-text file with the extracted tune(s)
Tune-7426-get.log 8389 Log file, useful mostly for debugging
Tune-74260-get.log 5887 Log file, useful mostly for debugging
Tune-74263-24CountryDances_1780_Thompson.abc 170 ABC music file with the extracted tune(s)
Tune-74263-24CountryDances_1780_Thompson.txt 170 Plain-text file with the extracted tune(s)
Tune-74263-SSEIFA_v1.abc 107233 ABC music file with the extracted tune(s)
Tune-74263-SSEIFA_v1.ps 773561 PostScript
Tune-74263-SSEIFA_v1.txt 107233 Plain-text file with the extracted tune(s)
Tune-74263-get.log 136583 Log file, useful mostly for debugging
Tune-74264-Way_to_keep_him.abc 439 ABC music file with the extracted tune(s)
Tune-74264-Way_to_keep_him.ps 33405 PostScript
Tune-74264-Way_to_keep_him.txt 439 Plain-text file with the extracted tune(s)
Tune-74264-get.log 4598 Log file, useful mostly for debugging
Tune-74266-get.log 4712 Log file, useful mostly for debugging
Tune-74267-get.log 4310 Log file, useful mostly for debugging
These files should be available for 24 hours.