pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39297-Faithfull_Shepherd.ps) >>/Users/jc/w/tmp/Tune-39297-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Faithfull_Shepherd.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-39297-CSGBT_1794-V1.abc 150 ABC music file with the extracted tune(s)
Tune-39297-CSGBT_1794-V1.ps 6 PostScript
Tune-39297-CSGBT_1794-V1.txt 150 Plain-text file with the extracted tune(s)
Tune-39297-Faithfull_Shepherd.abc 426 ABC music file with the extracted tune(s)
Tune-39297-Faithfull_Shepherd.ps 32330 PostScript
Tune-39297-Faithfull_Shepherd.txt 426 Plain-text file with the extracted tune(s)
Tune-39297-get.log 8827 Log file, useful mostly for debugging
These files should be available for 24 hours.