- ActoGuitar
- A guitar learning community with a comprehensive catalog of interactive video lessons, blogs for members, and resources for guitar businesses.
- All Strings Scores
- Public domain free scores for strings instruments: violin, cello, bass and also available some piano/strings duets.
- Get-Tuned.com
- Helps users tune and learn how to tune their instruments. Includes online tuners for a variety of stringed instruments.
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