Musictheory.net

http://www.musictheory.net/

This site provides outstanding interactive introductions to essential concepts in notation, melody and harmony. Online ear training for intervals, scales and chords is also provided.

The Tonal Centre

http://www.tonalcentre.org

The Tonal Centre introduces the elements of harmony through the principle of tonality. This is somewhat more advanced in content than the other sites; information on basic chord construction, extensions, and a number of progressions and forms is provided.

Piano Room

http://www.looknohands.com/chordhouse/piano/

This very useful site shows the construction and alteration of chords and scales on a keyboard with sound samples. After choosing a chord or scale, click 'Save'. The sample is then available for playback. In addition the regular repertoire of scales and modes, the site includes many 'exotic' scales. Highly recommended.

Free Online Piano Lessons

http://www.free-online-piano-lessons.com

Questions

1			Which two minor scales are often merged?
2			What is tonality?
3			Describe the Hungarian Gypsy scale.
4			What is a chord progression?
5			What is the basic blues chord progression?