pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9531-cresc.ps) >>/Users/jc/w/tmp/Tune-9531-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/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-9531-cresc.abc 36 ABC music file with the extracted tune(s)
Tune-9531-cresc.ps 6 PostScript
Tune-9531-cresc.txt 36 Plain-text file with the extracted tune(s)
Tune-9531-get.log 3959 Log file, useful mostly for debugging
Tune-95312-ColumbiaHornpipe.abc 460 ABC music file with the extracted tune(s)
Tune-95312-ColumbiaHornpipe.ps 38259 PostScript
Tune-95312-ColumbiaHornpipe.txt 460 Plain-text file with the extracted tune(s)
Tune-95312-get.log 4687 Log file, useful mostly for debugging
Tune-95317-SCD_RoyGoldring_14SocialDancesFor2000.abc 174 ABC music file with the extracted tune(s)
Tune-95317-SCD_RoyGoldring_14SocialDancesFor2000.txt 174 Plain-text file with the extracted tune(s)
Tune-95317-get.log 3670 Log file, useful mostly for debugging
These files should be available for 24 hours.