pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-74402-Wherligig_1.ps) >>/Users/jc/w/tmp/Tune-74402-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/Wherligig_1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-74402-192_TomThumb-001.svg 34690 Scalable Vector Graphics format
Tune-74402-192_TomThumb.abc 1104 ABC music file with the extracted tune(s)
Tune-74402-192_TomThumb.txt 1104 Plain-text file with the extracted tune(s)
Tune-74402-Wherligig_1.abc 272 ABC music file with the extracted tune(s)
Tune-74402-Wherligig_1.ps 33484 PostScript
Tune-74402-Wherligig_1.txt 272 Plain-text file with the extracted tune(s)
Tune-74402-get.log 8755 Log file, useful mostly for debugging
These files should be available for 24 hours.