pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-734-09_Hunting_the_Slipper.ps) >>/Users/jc/w/tmp/Tune-734-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1813/Button_Whitaker/09_Hunting_the_Slipper.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_7340.log 585520 Log file, useful mostly for debugging
Coll_73400.log 289950 Log file, useful mostly for debugging
Coll_73404.log 189 Log file, useful mostly for debugging
Coll_73406.log 287140 Log file, useful mostly for debugging
Coll_73407.log 1311531 Log file, useful mostly for debugging
Coll_73411.log 289950 Log file, useful mostly for debugging
Coll_73414.log 277305 Log file, useful mostly for debugging
Coll_73415.log 278710 Log file, useful mostly for debugging
Coll_73417.log 287140 Log file, useful mostly for debugging
Coll_73419.log 284330 Log file, useful mostly for debugging
Coll_73422.log 289950 Log file, useful mostly for debugging
Coll_73425.log 285735 Log file, useful mostly for debugging
Coll_73426.log 1089231 Log file, useful mostly for debugging
Coll_73430.log 284330 Log file, useful mostly for debugging
Coll_73436.log 288545 Log file, useful mostly for debugging
Coll_73439.log 282925 Log file, useful mostly for debugging
Coll_7344.log 1185170 Log file, useful mostly for debugging
Coll_73441.log 285735 Log file, useful mostly for debugging
Coll_73442.log 284330 Log file, useful mostly for debugging
Coll_73447.log 289950 Log file, useful mostly for debugging
Coll_73453.log 284330 Log file, useful mostly for debugging
Coll_73455.log 287140 Log file, useful mostly for debugging
Coll_73456.log 285735 Log file, useful mostly for debugging
Coll_73458.log 289950 Log file, useful mostly for debugging
Coll_73459.log 282925 Log file, useful mostly for debugging
Coll_73464.log 284330 Log file, useful mostly for debugging
Coll_73467.log 285735 Log file, useful mostly for debugging
Coll_73470.log 289950 Log file, useful mostly for debugging
Coll_73474.log 282925 Log file, useful mostly for debugging
Coll_73476.log 284330 Log file, useful mostly for debugging
Coll_73478.log 1085720 Log file, useful mostly for debugging
Coll_73481.log 577090 Log file, useful mostly for debugging
Coll_73485.log 277305 Log file, useful mostly for debugging
Coll_73487.log 147319 Log file, useful mostly for debugging
Coll_7349.log 287140 Log file, useful mostly for debugging
Coll_73491.log 285735 Log file, useful mostly for debugging
Coll_73492.log 289950 Log file, useful mostly for debugging
Coll_73499.log 284330 Log file, useful mostly for debugging
Find_73436.log 1753 Log file, useful mostly for debugging
Find_73455.log 1471 Log file, useful mostly for debugging
Find_73496.log 1471 Log file, useful mostly for debugging
Tune-734-09_Hunting_the_Slipper.abc 1398 ABC music file with the extracted tune(s)
Tune-734-09_Hunting_the_Slipper.ps 37083 PostScript
Tune-734-09_Hunting_the_Slipper.txt 1398 Plain-text file with the extracted tune(s)
Tune-734-get.log 9911 Log file, useful mostly for debugging
Tune-73400-get.log 4379 Log file, useful mostly for debugging
Tune-73401-get.log 1493 Log file, useful mostly for debugging
Tune-73407-Kerr_MM4-V1.abc 151 ABC music file with the extracted tune(s)
Tune-73407-Kerr_MM4-V1.ps 6 PostScript
Tune-73407-Kerr_MM4-V1.txt 151 Plain-text file with the extracted tune(s)
Tune-73407-get.log 4032 Log file, useful mostly for debugging
Tune-73415-get.log 4471 Log file, useful mostly for debugging
Tune-73423-get.log 5286 Log file, useful mostly for debugging
Tune-73424-Kauntze_CotmfD_NO.abc 162 ABC music file with the extracted tune(s)
Tune-73424-Kauntze_CotmfD_NO.ps 6 PostScript
Tune-73424-Kauntze_CotmfD_NO.txt 162 Plain-text file with the extracted tune(s)
Tune-73424-get.log 9419 Log file, useful mostly for debugging
Tune-73428-get.log 4502 Log file, useful mostly for debugging
Tune-73429-get.log 4100 Log file, useful mostly for debugging
Tune-73435-get.log 4819 Log file, useful mostly for debugging
Tune-73436-Kauntze_CotmfD_VO.abc 157 ABC music file with the extracted tune(s)
Tune-73436-Kauntze_CotmfD_VO.pdf 2217 Portable Data Format
Tune-73436-Kauntze_CotmfD_VO.ps 6 PostScript
Tune-73436-Kauntze_CotmfD_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-73436-get.log 5105 Log file, useful mostly for debugging
Tune-73440-get.log 6845 Log file, useful mostly for debugging
Tune-73442-get.log 12013 Log file, useful mostly for debugging
Tune-73446-get.log 1440 Log file, useful mostly for debugging
Tune-73448-24CountryDances_1779_Thompson.abc 174 ABC music file with the extracted tune(s)
Tune-73448-24CountryDances_1779_Thompson.ps 6 PostScript
Tune-73448-24CountryDances_1779_Thompson.txt 174 Plain-text file with the extracted tune(s)
Tune-73448-get.log 14901 Log file, useful mostly for debugging
Tune-73450-get.log 1244 Log file, useful mostly for debugging
Tune-73453-Jean_Henry_dAnglebert_PdC1.abc 166 ABC music file with the extracted tune(s)
Tune-73453-Jean_Henry_dAnglebert_PdC1.ps 6 PostScript
Tune-73453-Jean_Henry_dAnglebert_PdC1.txt 166 Plain-text file with the extracted tune(s)
Tune-73453-get.log 4468 Log file, useful mostly for debugging
Tune-73464-get.log 5608 Log file, useful mostly for debugging
Tune-73467-get.log 5716 Log file, useful mostly for debugging
Tune-73475-get.log 5615 Log file, useful mostly for debugging
Tune-73476-get.log 5224 Log file, useful mostly for debugging
Tune-73479-get.log 4413 Log file, useful mostly for debugging
Tune-73480-get.log 5747 Log file, useful mostly for debugging
Tune-73489-24FavouriteDances_1784_Straight.abc 171 ABC music file with the extracted tune(s)
Tune-73489-24FavouriteDances_1784_Straight.txt 171 Plain-text file with the extracted tune(s)
Tune-73489-get.log 3582 Log file, useful mostly for debugging
Tune-73495-get.log 4542 Log file, useful mostly for debugging
These files should be available for 24 hours.