my daemon tells me (with a sly smile on his face):
The following information was provided by the package's contributor.
Name of contribution: Piano diagram Author's name: Émile Daneault Location on CTAN: Summary description: Draws basic 2 octaves keyboard diagrams License type: lppl
Announcement text given by the package's contributor:
I'm by no mean a TeX expert, but since it works okay I though it should be out there.
This package adds the keyboard[1][2]..[7] command to your project. When used, it draws a small 2 octaves piano keyboard on your document, with up to 7 keys highlighted.
Keys go : Co, Cso, Do, Dso, Eo, Fo, Fso, Go, Gso, Ao, Aso, Bo, Ct, Cst, Dt, Dst, Et, Ft, Fst, Gt, Gst, At, Ast and Bt.
Suggested use : egin{figure}[thpb]\n> centering keyboard[Co][Eo][Gso][Ct][Et] caption{C aug chord} label{Chord1} end{figure}
thanks for the upload; i've installed the new package and made an entry for it in the catalogue repository.
Users may view the package catalogue entry at http://www.tex.ac.uk/tex-archive/help/Catalogue/entries/piano.html or they may browse the package directory at http://www.tex.ac.uk/tex-archive/macros/latex/contrib/piano/
The catalogue entry will first appear overnight tonight.
Robin Fairbairns
For the CTAN team