pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17041-Road_Teviot_Soup_Washer_set.ps) >>/Users/jc/w/tmp/Tune-17041-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/NYE_20191231/Road_Teviot_Soup_Washer_set.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
Tune-17041-Road_Teviot_Soup_Washer_set.abc 623 ABC music file with the extracted tune(s)
Tune-17041-Road_Teviot_Soup_Washer_set.ps 34977 PostScript
Tune-17041-Road_Teviot_Soup_Washer_set.txt 623 Plain-text file with the extracted tune(s)
Tune-17041-get.log 5705 Log file, useful mostly for debugging
These files should be available for 24 hours.