Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/save/AMHSI_abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1862-AMHSI_abc1.ps) >>/Users/jc/w/tmp/Tune-1862-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/save/AMHSI_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
Tune-1862-AMHSI_abc1.abc 147 ABC music file with the extracted tune(s)
Tune-1862-AMHSI_abc1.ps 6 PostScript
Tune-1862-AMHSI_abc1.txt 147 Plain-text file with the extracted tune(s)
Tune-1862-get.log 4064 Log file, useful mostly for debugging
Tune-18620-get.log 4506 Log file, useful mostly for debugging
Tune-18621-get.log 5726 Log file, useful mostly for debugging
Tune-18622-MMM2.abc 141 ABC music file with the extracted tune(s)
Tune-18622-MMM2.ps 6 PostScript
Tune-18622-MMM2.txt 141 Plain-text file with the extracted tune(s)
Tune-18622-get.log 3984 Log file, useful mostly for debugging
Tune-18624-263_Mrs_Gibbons_Reel.abc 994 ABC music file with the extracted tune(s)
Tune-18624-263_Mrs_Gibbons_Reel.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-18624-263_Mrs_Gibbons_Reel.ps 38776 PostScript
Tune-18624-263_Mrs_Gibbons_Reel.txt 994 Plain-text file with the extracted tune(s)
Tune-18624-get.log 5587 Log file, useful mostly for debugging
Tune-18629-get.log 4664 Log file, useful mostly for debugging
These files should be available for 24 hours.