pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38895-O_Holy_Blessed_Trinity-O_Heilige_Dreifaltigkeit-Steht_Auf_Ihr_Lieben_Kinderlein.ps) >>/Users/jc/w/tmp/Tune-38895-get.log 2>&1" returned status 256
http://openhymnal.org/Abc/O_Holy_Blessed_Trinity-O_Heilige_Dreifaltigkeit-Steht_Auf_Ihr_Lieben_Kinderlein.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-38895-O_Holy_Blessed_Trinity-O_Heilige_Dreifaltigkeit-Steht_Auf_Ihr_Lieben_Kinderlein.abc 2361 ABC music file with the extracted tune(s)
Tune-38895-O_Holy_Blessed_Trinity-O_Heilige_Dreifaltigkeit-Steht_Auf_Ihr_Lieben_Kinderlein.ps 42631 PostScript
Tune-38895-O_Holy_Blessed_Trinity-O_Heilige_Dreifaltigkeit-Steht_Auf_Ihr_Lieben_Kinderlein.txt 2361 Plain-text file with the extracted tune(s)
Tune-38895-get.log 5878 Log file, useful mostly for debugging
These files should be available for 24 hours.