Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CR2-abc1.abc/CSR4-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5762-CSR4-abc1.ps) >>/Users/jc/w/tmp/Tune-5762-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR2-abc1.abc/CSR4-abc1.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_57624.log 151855 Log file, useful mostly for debugging
Find_5762.log 1582 Log file, useful mostly for debugging
Form_57624.log 841 Log file, useful mostly for debugging
Form_57628.log 965 Log file, useful mostly for debugging
Tune-5762-CSR4-abc1.abc 158 ABC music file with the extracted tune(s)
Tune-5762-CSR4-abc1.ps 6 PostScript
Tune-5762-CSR4-abc1.txt 158 Plain-text file with the extracted tune(s)
Tune-5762-get.log 4119 Log file, useful mostly for debugging
Tune-57620-get.log 4054 Log file, useful mostly for debugging
Tune-57622-get.log 1310 Log file, useful mostly for debugging
Tune-57623-JamesJohnson_ScotsMusicalMuseumV5-V2.abc 175 ABC music file with the extracted tune(s)
Tune-57623-JamesJohnson_ScotsMusicalMuseumV5-V2.ps 6 PostScript
Tune-57623-JamesJohnson_ScotsMusicalMuseumV5-V2.txt 175 Plain-text file with the extracted tune(s)
Tune-57623-get.log 4551 Log file, useful mostly for debugging
Tune-57624-get.log 7949 Log file, useful mostly for debugging
Tune-57625-get.log 10948 Log file, useful mostly for debugging
Tune-57626-get.log 1264 Log file, useful mostly for debugging
These files should be available for 24 hours.