pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23998-20792_Harrison_Sett_tune_5.ps) >>/Users/jc/w/tmp/Tune-23998-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20792_Harrison_Sett_tune_5.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-23998-20792_Harrison_Sett_tune_5.abc 1066 ABC music file with the extracted tune(s)
Tune-23998-20792_Harrison_Sett_tune_5.ps 35176 PostScript
Tune-23998-20792_Harrison_Sett_tune_5.txt 1066 Plain-text file with the extracted tune(s)
Tune-23998-Glen2.abc 143 ABC music file with the extracted tune(s)
Tune-23998-Glen2.ps 6 PostScript
Tune-23998-Glen2.txt 143 Plain-text file with the extracted tune(s)
Tune-23998-get.log 9068 Log file, useful mostly for debugging
These files should be available for 24 hours.