Students:

musictheory.net

Free music theory lessons, practice, and review.

Complete Ear Trainer app

Great app for getting your musical ear into shape!

Music Paper

Free music notation paper: staves, chord charts, etc.

Guitar Tuner

Pick an instrument and start tuning right away; includes helpful videos! 

Piano TV

This Youtube channel has tons of entertaining and educational videos about piano music, composers, and how to appreciate classical music. 

Artopia: Create a Movie Soundtrack

Watch the clip of the Hitchcock movie "Charade" and change the soundtrack to different kinds of music!

Parents:

The Benefits of Music Education

Good information about the academic, social, and emotional benefits of learning music. 

Library Cards

The e-card gives you immediate, unlimited, and free access to online resources:

How to Support your Musical Child

A hidden camera shows what to say and what NOT to say to a young musician. 

Advice for Parents of Musicians

Susan McClary, Professor of Musicology at the University of California, Los Angeles, shares some advice for parents of musicians on how to accept, enjoy and support their child's decision to enter a career in music.

Teachers:

PBS Learning Media for California Educators

A treasure trove of standards-aligned lessons, videos, games, and activities. Search by age, content, learning target, etc. 

Oxford Music Online 

The world’s premier online music encyclopedia, offering comprehensive coverage of music-making and music scholarship.

Voice Warm-ups 

Free printable sheets for your vocal students. 

IMSLP: Petrucci Music Library 

International Music Score Library Project: catalog of public domain music scores, recordings, and information about musical works.

Special Needs

"How to Help Students with Special Needs in Music Class" (article by Mary Rogelstad about IEPs and 504 Plans in music class). 

English Language Learners 

Video from Mrs. Cookie's Music Room explaining three basic strategies for supporting ELLs in the music classroom.