pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-11874-BackShoreHp_D_4.ps) >>/Users/jc/w/tmp/Tune-11874-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/BackShoreHp_D_4.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_11874.log 1134355 Log file, useful mostly for debugging
Tune-11874-BackShoreHp_D_4.abc 558 ABC music file with the extracted tune(s)
Tune-11874-BackShoreHp_D_4.ps 35698 PostScript
Tune-11874-BackShoreHp_D_4.txt 558 Plain-text file with the extracted tune(s)
Tune-11874-get.log 4558 Log file, useful mostly for debugging
These files should be available for 24 hours.