pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2699-20353_St_Louis_Stop_Waltz.ps) >>/Users/jc/w/tmp/Tune-2699-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20353_St_Louis_Stop_Waltz.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-2699-20353_St_Louis_Stop_Waltz.abc 993 ABC music file with the extracted tune(s)
Tune-2699-20353_St_Louis_Stop_Waltz.ps 42576 PostScript
Tune-2699-20353_St_Louis_Stop_Waltz.txt 993 Plain-text file with the extracted tune(s)
Tune-2699-get.log 4956 Log file, useful mostly for debugging
Tune-26990-24CountryDances_1793_Preston.abc 178 ABC music file with the extracted tune(s)
Tune-26990-24CountryDances_1793_Preston.pdf 2217 Portable Data Format
Tune-26990-24CountryDances_1793_Preston.txt 178 Plain-text file with the extracted tune(s)
Tune-26990-get.log 11033 Log file, useful mostly for debugging
Tune-26991-get.log 5167 Log file, useful mostly for debugging
Tune-26992-get.log 4955 Log file, useful mostly for debugging
Tune-26993-get.log 186237 Log file, useful mostly for debugging
Tune-26999-get.log 4734 Log file, useful mostly for debugging
These files should be available for 24 hours.