pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-806-Black_Dance_M_A2_16.ps) >>/Users/jc/w/tmp/Tune-806-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/r16/Black_Dance_M_A2_16.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_80698.log 61432 Log file, useful mostly for debugging
Form_80657.log 969 Log file, useful mostly for debugging
Tune-806-Black_Dance_M_A2_16.abc 0 ABC music file with the extracted tune(s)
Tune-806-Black_Dance_M_A2_16.ps 0 PostScript
Tune-806-Black_Dance_M_A2_16.txt 0 Plain-text file with the extracted tune(s)
Tune-806-get.log 0 Log file, useful mostly for debugging
Tune-80624-Harrison.abc 0 ABC music file with the extracted tune(s)
Tune-80624-Harrison.txt 0 Plain-text file with the extracted tune(s)
Tune-80624-get.log 45053 Log file, useful mostly for debugging
Tune-80639-Major_Mole_Am.abc 403 ABC music file with the extracted tune(s)
Tune-80639-Major_Mole_Am.ps 34965 PostScript
Tune-80639-Major_Mole_Am.txt 403 Plain-text file with the extracted tune(s)
Tune-80639-get.log 4868 Log file, useful mostly for debugging
Tune-80643-For_Me_And_My_Gal_Gw-001.svg 33738 Scalable Vector Graphics format
Tune-80643-For_Me_And_My_Gal_Gw.abc 1239 ABC music file with the extracted tune(s)
Tune-80643-For_Me_And_My_Gal_Gw.txt 1239 Plain-text file with the extracted tune(s)
Tune-80643-get.log 5002 Log file, useful mostly for debugging
Tune-80668-get.log 23654 Log file, useful mostly for debugging
Tune-80668-reelsD-G.abc 586 ABC music file with the extracted tune(s)
Tune-80668-reelsD-G.txt 586 Plain-text file with the extracted tune(s)
Tune-80685-HUTB2-1846-V2.abc 0 ABC music file with the extracted tune(s)
Tune-80685-HUTB2-1846-V2.ps 0 PostScript
Tune-80685-HUTB2-1846-V2.txt 0 Plain-text file with the extracted tune(s)
Tune-80685-get.log 28652 Log file, useful mostly for debugging
Tune-80691-get.log 4166 Log file, useful mostly for debugging
Tune-80691-net3.abc 0 ABC music file with the extracted tune(s)
Tune-80691-net3.ps 6 PostScript
Tune-80691-net3.txt 0 Plain-text file with the extracted tune(s)
Tune-80697-1827-Devil_In_Dublin-001.svg 15678 Scalable Vector Graphics format
Tune-80697-1827-Devil_In_Dublin.abc 545 ABC music file with the extracted tune(s)
Tune-80697-1827-Devil_In_Dublin.txt 545 Plain-text file with the extracted tune(s)
Tune-80697-get.log 5022 Log file, useful mostly for debugging
Tune-80699-get.log 4592 Log file, useful mostly for debugging
These files should be available for 24 hours.