pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-970-11231_.ps) >>/Users/jc/w/tmp/Tune-970-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1/11231_.abc

Error exit status 256; here are some files to check:

[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_97003.log 377060 Log file, useful mostly for debugging
Coll_97012.log 437479 Log file, useful mostly for debugging
Coll_97015.log 154414 Log file, useful mostly for debugging
Coll_97026.log 374250 Log file, useful mostly for debugging
Coll_97037.log 372845 Log file, useful mostly for debugging
Coll_97048.log 372845 Log file, useful mostly for debugging
Coll_97059.log 454338 Log file, useful mostly for debugging
Coll_97065.log 121521 Log file, useful mostly for debugging
Coll_9707.log 391110 Log file, useful mostly for debugging
Coll_97070.log 375655 Log file, useful mostly for debugging
Coll_97081.log 372845 Log file, useful mostly for debugging
Coll_97093.log 368630 Log file, useful mostly for debugging
Form_97059.log 849 Log file, useful mostly for debugging
Form_97087.log 785 Log file, useful mostly for debugging
Tune-970-11231_.abc 33 ABC music file with the extracted tune(s)
Tune-970-11231_.ps 6 PostScript
Tune-970-11231_.txt 33 Plain-text file with the extracted tune(s)
Tune-970-get.log 3957 Log file, useful mostly for debugging
Tune-97004-Kerr_MM4-V2.abc 148 ABC music file with the extracted tune(s)
Tune-97004-Kerr_MM4-V2.pdf 2217 Portable Data Format
Tune-97004-Kerr_MM4-V2.ps 6 PostScript
Tune-97004-Kerr_MM4-V2.txt 148 Plain-text file with the extracted tune(s)
Tune-97004-get.log 4911 Log file, useful mostly for debugging
Tune-97011-get.log 3869 Log file, useful mostly for debugging
Tune-97014-get.log 5406 Log file, useful mostly for debugging
Tune-97015-SCD_Book49-V2.abc 150 ABC music file with the extracted tune(s)
Tune-97015-SCD_Book49-V2.ps 6 PostScript
Tune-97015-SCD_Book49-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-97015-get.log 4175 Log file, useful mostly for debugging
Tune-97024-get.log 4513 Log file, useful mostly for debugging
Tune-9703-get.log 4917 Log file, useful mostly for debugging
Tune-97030-get.log 4033 Log file, useful mostly for debugging
Tune-97034-WilliamWinterQuantocks.abc 159 ABC music file with the extracted tune(s)
Tune-97034-WilliamWinterQuantocks.ps 6 PostScript
Tune-97034-WilliamWinterQuantocks.txt 159 Plain-text file with the extracted tune(s)
Tune-97034-get.log 4243 Log file, useful mostly for debugging
Tune-97039-Thompson_V4_1773-1780_PD.abc 161 ABC music file with the extracted tune(s)
Tune-97039-Thompson_V4_1773-1780_PD.pdf 2217 Portable Data Format
Tune-97039-Thompson_V4_1773-1780_PD.ps 6 PostScript
Tune-97039-Thompson_V4_1773-1780_PD.txt 161 Plain-text file with the extracted tune(s)
Tune-97039-get.log 19278 Log file, useful mostly for debugging
Tune-97046-get.log 3938 Log file, useful mostly for debugging
Tune-97057-Garryowen_with_variations_.abc 163 ABC music file with the extracted tune(s)
Tune-97057-Garryowen_with_variations_.ps 6 PostScript
Tune-97057-Garryowen_with_variations_.txt 163 Plain-text file with the extracted tune(s)
Tune-97057-get.log 4327 Log file, useful mostly for debugging
Tune-97068-get.log 4011 Log file, useful mostly for debugging
Tune-97073-24CountryDances_1794_Preston.abc 165 ABC music file with the extracted tune(s)
Tune-97073-24CountryDances_1794_Preston.ps 6 PostScript
Tune-97073-24CountryDances_1794_Preston.txt 165 Plain-text file with the extracted tune(s)
Tune-97073-get.log 4369 Log file, useful mostly for debugging
Tune-97077-get.log 7577 Log file, useful mostly for debugging
Tune-97078-get.log 7388 Log file, useful mostly for debugging
Tune-97081-24CountryDances_1767_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-97081-24CountryDances_1767_Thompson.pdf 2217 Portable Data Format
Tune-97081-24CountryDances_1767_Thompson.ps 6 PostScript
Tune-97081-24CountryDances_1767_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-97081-get.log 5433 Log file, useful mostly for debugging
Tune-97087-24CountryDances_1781_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-97087-24CountryDances_1781_Skillern.pdf 2217 Portable Data Format
Tune-97087-24CountryDances_1781_Skillern.ps 6 PostScript
Tune-97087-24CountryDances_1781_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-97087-get.log 5433 Log file, useful mostly for debugging
Tune-97093-get.log 10640 Log file, useful mostly for debugging
Tune-97096-get.log 14919 Log file, useful mostly for debugging
These files should be available for 24 hours.