pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7464-10172_Caledonian_March.ps) >>/Users/jc/w/tmp/Tune-7464-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/10172_Caledonian_March.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-7464-10172_Caledonian_March.abc 771 ABC music file with the extracted tune(s)
Tune-7464-10172_Caledonian_March.ps 36445 PostScript
Tune-7464-10172_Caledonian_March.txt 771 Plain-text file with the extracted tune(s)
Tune-7464-get.log 6988 Log file, useful mostly for debugging
Tune-74640-KittyBridges_1745_VO.abc 157 ABC music file with the extracted tune(s)
Tune-74640-KittyBridges_1745_VO.ps 6 PostScript
Tune-74640-KittyBridges_1745_VO.txt 157 Plain-text file with the extracted tune(s)
Tune-74640-get.log 4203 Log file, useful mostly for debugging
Tune-74645-SkillernChalloner_PCD1.abc 159 ABC music file with the extracted tune(s)
Tune-74645-SkillernChalloner_PCD1.txt 159 Plain-text file with the extracted tune(s)
Tune-74645-get.log 3402 Log file, useful mostly for debugging
Tune-74646-get.log 3189 Log file, useful mostly for debugging
These files should be available for 24 hours.