Arts-in-Medicine at UNM:

http://artsinmedicine.unm.edu/

Petrucci Music Library:  (free online, downloadable/printable classical music)

http://imslp.org/wiki/Main_Page

The Mutopia Project:  (more free downloadable/printable classical music)

http://www.mutopiaproject.org/index.html

University of Georgia short article: (benefits of music for babies and young children)

http://www.fcs.uga.edu/pubs/PDF/FACS03-7.pdf

SFGate short article: (Stanford research showing how music training helps children learn to understand and use language)

http://articles.sfgate.com/2005-11-17/news/17401091_1_tone-sequences-musical-training-brain

How Art and Music Influence Brain Development links:

http://www.triangletracks.com/notes/How_Art_and_Music_Influence_Brain_Development

Human Sensory Development In Utero, including hearing:

http://www.birthpsychology.com/lifebefore/fetalsense.html

about Howard Gardner's Theory of Multiple Intelligences:

http://www.thomasarmstrong.com/multiple_intelligences.php

Howard Gardner's ebook "Multiple Intelligences: New Horizons", 2006:

http://books.google.com/books?hl=en&lr=&id=qEEC8lyAwWoC&oi=fnd&pg=PR7&dq=multiple+intelligences&ots=uNN7FGIjo9&sig=CRzX6Wv73RfllWB6fPeNrJ3knto#v=onepage&q&f=false

Fazioli (arguably the finest in pianos) home page: http://www.fazioli.com/en/

Boesendorfer (another extremely fine piano) home page: http://www.boesendorfer.com/

Steinway & Sons home page (I'm sure you know who this is): http://www.steinway.com/

Piano Technicians Guild's guide to buying a piano: http://www.ptg.org/resources-buyingAPiano.php

My grand piano keyboard, artistically adjusted with a free downloadable software program, Paint.net.  Image taken, 8-7-2010.