pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-68128-New_Instructions_for_the_Clarinet.ps) >>/Users/jc/w/tmp/Tune-68128-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brewer/New_Instructions_for_the_Clarinet.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_68128.log 458553 Log file, useful mostly for debugging
Tune-68128-New_Instructions_for_the_Clarinet.abc 332 ABC music file with the extracted tune(s)
Tune-68128-New_Instructions_for_the_Clarinet.ps 30659 PostScript
Tune-68128-New_Instructions_for_the_Clarinet.txt 332 Plain-text file with the extracted tune(s)
Tune-68128-get.log 5022 Log file, useful mostly for debugging
These files should be available for 24 hours.