Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1772/sett.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7502-sett.ps) >>/Users/jc/w/tmp/Tune-7502-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1772/sett.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-7502-get.log 3940 Log file, useful mostly for debugging
Tune-7502-sett.abc 141 ABC music file with the extracted tune(s)
Tune-7502-sett.ps 6 PostScript
Tune-7502-sett.txt 141 Plain-text file with the extracted tune(s)
Tune-75024-EFDSS_CDM5.abc 147 ABC music file with the extracted tune(s)
Tune-75024-EFDSS_CDM5.pdf 2217 Portable Data Format
Tune-75024-EFDSS_CDM5.ps 6 PostScript
Tune-75024-EFDSS_CDM5.txt 147 Plain-text file with the extracted tune(s)
Tune-75024-get.log 4884 Log file, useful mostly for debugging
Tune-75025-30421_Taunton_Assembly.abc 783 ABC music file with the extracted tune(s)
Tune-75025-30421_Taunton_Assembly.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-75025-30421_Taunton_Assembly.ps 36068 PostScript
Tune-75025-30421_Taunton_Assembly.txt 783 Plain-text file with the extracted tune(s)
Tune-75025-get.log 5686 Log file, useful mostly for debugging
Tune-75027-RSCDS_Graded1.abc 150 ABC music file with the extracted tune(s)
Tune-75027-RSCDS_Graded1.ps 6 PostScript
Tune-75027-RSCDS_Graded1.txt 150 Plain-text file with the extracted tune(s)
Tune-75027-get.log 4177 Log file, useful mostly for debugging
These files should be available for 24 hours.