There are literally hundreds of websites that offer free sheet music and a large percentage (not ALL) of the titles are also copyright-free so you can arrange, transpose or transform the original to your heart’s content.

The Metropolitan Museum of Art hosts 372 art history books online. All of the books can be read online or downloaded as PDFs (warning, some of them are massive files). You can search through the catalog of books by thematic category, format, and publication type. And, of course, you can search through the books by title, author, and keyword.

The U.S. National Gallery of Art hosts more than 25,000 images of famous and not-so-famous works of art. Nearly all of the images can be downloaded and re-used for free. NGA Images also allows you to register and create online collections of images. The collections are called lightboxes.

Introducing "Blues + YOU": play-along tracks available online--free of charge--so musicians can practice with mp3 downloads in a variety of configurations! Tailored to intermediate and advanced players, this unique product will become an invaluable resource for both college and high school jazz programs. The newest recording from The U.S. Army Blues, Something Old, Something New: Yours to Borrow From the Blues has tools to use and tunes to enjoy!

Useful and mostly free teaching materials and other resources for:school orchestra directors, private studio teachers, future string teachers and college methods classes, string players of all ages for self-study.

Royalty free clip art and images.

The Getty makes available, without charge, all available digital images to which the Getty holds the rights or that are in the public domain to be used for any purpose. No permission is required.

This page includes links to each of the individual Music Theory pages I've created in PDF form. This is a work in progress; I am writing new ones regularly and fixing errors and omissions on existing ones as I find them. If you find them useful for your theory studies, you are welcome to use them, and if you find errors or have suggestions, I invite you to contact me. Enjoy! These pages are available for free under a Creative Commons BY-NC-ND license.

Sound Fundamentals is a complete band method for classroom and individual use. It includes embedded videos demonstrating concepts and exercises.

Hookpad is a free web app that simplifies songwriting by helping you choose chords that sound good together and guiding you to write a good melody. It's a musical sketchpad with music theory "built-in" to make it easier and more intuitive to find the sound you're looking for.

With this feature rich open source survey software you can freely develop research questionnaires. The questionnaires must be hosted in your own private web space.