pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9375-CSR2-abc1.ps) >>/Users/jc/w/tmp/Tune-9375-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR2-abc1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-9375-CSR2-abc1.abc 88254 ABC music file with the extracted tune(s)
Tune-9375-CSR2-abc1.ps 902958 PostScript
Tune-9375-CSR2-abc1.txt 88254 Plain-text file with the extracted tune(s)
Tune-9375-get.log 57373 Log file, useful mostly for debugging
Tune-93751-BundleAndGo.abc 939 ABC music file with the extracted tune(s)
Tune-93751-BundleAndGo.pdf 22958 Portable Data Format
Tune-93751-BundleAndGo.ps 38026 PostScript
Tune-93751-BundleAndGo.txt 939 Plain-text file with the extracted tune(s)
Tune-93751-get.log 6231 Log file, useful mostly for debugging
Tune-93752-1800_Thompson_FCCD-V1-001.svg 45766 Scalable Vector Graphics format
Tune-93752-1800_Thompson_FCCD-V1-002.svg 110070 Scalable Vector Graphics format
Tune-93752-1800_Thompson_FCCD-V1-003.svg 114659 Scalable Vector Graphics format
Tune-93752-1800_Thompson_FCCD-V1-004.svg 46094 Scalable Vector Graphics format
Tune-93752-1800_Thompson_FCCD-V1.abc 15710 ABC music file with the extracted tune(s)
Tune-93752-1800_Thompson_FCCD-V1.txt 15710 Plain-text file with the extracted tune(s)
Tune-93752-get.log 12735 Log file, useful mostly for debugging
These files should be available for 24 hours.