This wonderful site, created by, offers free content-packed theory guides for both the experienced musician and the notation novice. The handy reference guides can be downloaded and saved for future use, as long as they are not being sold.

This interactive site offers lessons in different musical concepts and exercises to build knowledge. All exercises are customizable to fit different skill levels and work with interactive white boards. A list of tools features handy applications like an interval finder and a metronome. Users who enjoy the site can purchase the app, Tenuto, for their smart phones and tables.

This site offers articles and information about approaches for teaching music to students with special needs. Aside from providing a detailed list of special needs, the site also has a list of outside resources that may prove to be beneficial for educators.

This informative Edutopia article by blogger and professor Karin Nolan encourages educators about the simplicity about integrating their current teaching approach and curriculum structure with a standards-based curriculum. You do not have be a musician to satisfy the standards either.

This service creates a live back-up of work being completed in a digital audio workstation (or DAW). On the site it boasts ease of use, flexible collaboration (by allowing you to share work with other users), endless inspiration (in the form of a vast library of loops and sounds within its DAW), and most importantly, unlimited space! Sign up is free.

The life and works of 20th Century composer Aaron Copland (1900-1990) is showcased in this skillfully compiled Library of Congress collection, featuring a detailed biography, images from different periods of his life, written correspondences between Copland and others, and different hand-notated selections.

The International Music Score Library Project (or IMSLP), also known as the Petrucci Music Library, offers a wealth of free music scores for download. The site allows listeners to listen to many of the compositions (via midi or recording) and the public domain scores can be downloaded as PDF and printed for professional or personal use simply by accepting a disclaimer.

This site offers the explanation to a plethora of popular songs. It also includes different facts about the composers/artists, lyrical content, and creation of the selections. Visitors can join and take part in trivia with other members as well.

This free online metronome proves handy for in-class rehearsals and other applications, in classrooms with students of all ages. User can easily set the tempo using the dial and the steady beat will continue until stopped. It also features tempo markings on the dial for ease of use. I use this at least once a week in my classroom.

This quirky creation create an infinite musical loop from any song you select - and by infinite I mean never-ending. You can select a track from the site's vast library or upload a song of your own, which the site will analyze and use to create a pattern. This site could be beneficial for use with classical music to make easy background music.

This informative website is designed to get young students interested in the arts, namely music, theater, and dance. Designed by Canada's National Arts Centre, the music section offers a wealth of information on composers, instruments, the orchestra, and other musical topics, with games and activities to deepen understanding. It also has separate pages for teachers, students, parents, and artists that have different resources.