pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5817-cresc.ps) >>/Users/jc/w/tmp/Tune-5817-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP3/cresc.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-5817-cresc.abc 36 ABC music file with the extracted tune(s)
Tune-5817-cresc.ps 6 PostScript
Tune-5817-cresc.txt 36 Plain-text file with the extracted tune(s)
Tune-5817-get.log 3955 Log file, useful mostly for debugging
Tune-58173-Blackheath_PLFD1701_417.abc 499 ABC music file with the extracted tune(s)
Tune-58173-Blackheath_PLFD1701_417.pdf 20672 Portable Data Format
Tune-58173-Blackheath_PLFD1701_417.ps 36290 PostScript
Tune-58173-Blackheath_PLFD1701_417.txt 499 Plain-text file with the extracted tune(s)
Tune-58173-get.log 5695 Log file, useful mostly for debugging
Tune-58175-get.log 1361 Log file, useful mostly for debugging
Tune-58177-114_JacksAlive.abc 1048 ABC music file with the extracted tune(s)
Tune-58177-114_JacksAlive.pdf 26860 Portable Data Format
Tune-58177-114_JacksAlive.ps 39381 PostScript
Tune-58177-114_JacksAlive.txt 1048 Plain-text file with the extracted tune(s)
Tune-58177-get.log 5447 Log file, useful mostly for debugging
Tune-58179-get.log 1559 Log file, useful mostly for debugging
These files should be available for 24 hours.