Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Skye_HB/Pat_Shaw_NewWineInOldBottles.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1521-Pat_Shaw_NewWineInOldBottles.ps) >>/Users/jc/w/tmp/Tune-1521-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Skye_HB/Pat_Shaw_NewWineInOldBottles.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_15210.log 287140 Log file, useful mostly for debugging
Coll_15211.log 294165 Log file, useful mostly for debugging
Coll_15217.log 11181 Log file, useful mostly for debugging
List15213.log 166 Log file, useful mostly for debugging
Tune-1521-Pat_Shaw_NewWineInOldBottles.abc 168 ABC music file with the extracted tune(s)
Tune-1521-Pat_Shaw_NewWineInOldBottles.ps 6 PostScript
Tune-1521-Pat_Shaw_NewWineInOldBottles.txt 168 Plain-text file with the extracted tune(s)
Tune-1521-get.log 4458 Log file, useful mostly for debugging
Tune-15214-get.log 7156 Log file, useful mostly for debugging
Tune-15217-Goulding_SSEIFA_v1.abc 163 ABC music file with the extracted tune(s)
Tune-15217-Goulding_SSEIFA_v1.ps 6 PostScript
Tune-15217-Goulding_SSEIFA_v1.txt 163 Plain-text file with the extracted tune(s)
Tune-15217-get.log 4328 Log file, useful mostly for debugging
Tune-15218-book_of_rights.abc 163 ABC music file with the extracted tune(s)
Tune-15218-book_of_rights.pdf 2217 Portable Data Format
Tune-15218-book_of_rights.ps 6 PostScript
Tune-15218-book_of_rights.txt 163 Plain-text file with the extracted tune(s)
Tune-15218-get.log 5070 Log file, useful mostly for debugging
These files should be available for 24 hours.