Review Videos (for returned missionaries and the like): 

Music Theory 1

Meter and Time Signatures: https://youtu.be/OgFy_TAFsV0

Major Scales: https://www.youtube.com/watch?v=BqZYvVpsm0s

Key Signatures and the Circle of Fifths: https://www.youtube.com/watch?v=PsbWo1bzV7E

Minor Scales: https://www.youtube.com/watch?v=23OAc92bd2Y

Intervals, Part I: https://www.youtube.com/watch?v=EF5yeT31oJU

Intervals, Part II: https://www.youtube.com/watch?v=eOY2OK3jflc

Triads: https://www.youtube.com/watch?v=-5g-gujdJuk

Triad Inversions: https://www.youtube.com/watch?v=N06cIUJkU8w

Roman Numerals: https://www.youtube.com/watch?v=u7djqqCsgjI

Seventh Chords: https://www.youtube.com/watch?v=SaYs0T19Yr8

Figured Bass: https://youtu.be/v8UvlyzViYE

Part Writing Basics: https://youtu.be/Sta3VEjvfiU

Root Position Voice-Leading: https://youtu.be/58hBXHM6EJM

Cadences: https://www.youtube.com/watch?v=sWA0Bx2UIbE

Harmonic Progressions: https://www.youtube.com/watch?v=oyyASexi2k4

Non-Chord Tones: https://www.youtube.com/watch?v=LyYW5OTSbGE

First Inversion Triads: https://youtu.be/bRFHfsNFO5U

Dominant Seventh Inversions: https://youtu.be/dBUVOewBxqo

Music Theory 2

Melody: https://www.youtube.com/watch?v=0IEK3E570ws

Motives: https://www.youtube.com/watch?v=LgMD8QtbqRU

The Phrase: https://youtu.be/uGhW05iC2IQ

Two-Phrase Periods: https://youtu.be/nLgFEyaya6s

Three- and Four-Phrase Periods: https://youtu.be/H50s5HgjTKA

Texture: https://youtu.be/tJlmzbSEFj4

Leading-Tone Seventh Chords: https://youtu.be/XUyJd7N9cHc

Other Seventh Chords: https://youtu.be/l5aEQtiVis0

Harmonic Sequences: https://youtu.be/XqdDQRG6pGM

Secondary Dominants: https://youtu.be/bosHuiovgPI

More Secondary Dominants: https://youtu.be/6br2fyOSx0Y

Key Relationships: https://www.youtube.com/watch?v=7tTiXe9ezw8

Common Chord Modulations: https://www.youtube.com/watch?v=4bPJy5Hr8lE

Other Means of Modulation: https://youtu.be/hh5ZB62RVqE

Mode Mixture: https://www.youtube.com/watch?v=sBZPtAv8hok

Neapolitan Sixths: https://www.youtube.com/watch?v=WKcrBwH2Srs