https://www.ultimate-guitar.com Since 1998, founded in Kaliningrad, Russia, UG has established a strong community following with over 10 million registered users who participate in forums, contribute tabs, lessons and articles and are passionate members of all things rock’n’roll. Lessons https://www.ultimate-guitar.com/lessons/ Wiki https://www.ultimate-guitar.com/en/wiki/
http://oneminutemusiclesson.com/ Stop wasting time searching all over the internet and learn how music REALLY works by starting with the basics.
https://itunes.apple.com/us/app/quinterval/id373810100 Quinterval is a circle of fifths that also shows all tones of the selected scale.
EarWizard https://itunes.apple.com/es/app/earwizard/id599466971 Wizdom Music presenta EarWizard, creada por Jordan Rudess y Felipe Peña. EarWizard entrena tu oído musical mientras mejoras tus habilidades de memoria. Repite la secuencia de acordes, la cual se hará más larga cada vez que juegas un nuevo round.
https://www.guitarmasterclass.net/ GuitarMasterClass is a place where you can improve your musical skills and meet people with similar interests. The main focus is to having fun while learning. We believe that your learning curve is most effective if you are having fun at the same time.
Learn Piano HD https://play.google.com/store/apps/details?id=com.mahalo.learnpiano.free Every talented musician knows that the piano is one of the best instruments to play, but private lessons can be a time-consuming, costly obstacle. Mahalo’s Learn Piano app makes playing look like a daunting feat made easy.