Groove harmony

See also a study of groove melody

Chords work differently in grooves than they do in songs and linear compositions. In his book Everyday Tonality, Philip Tagg proposes that chords in loops are mainly there to signpost locations in the meter. By his theory, the metrical location of a chord matters more than its harmonic function. This idea aligns with my experience of listening to and making groove-based music. I’d like to develop it further, to form a general theory of how groove harmony works.

I don’t plan to try to explain every kind of groove there is, but I do want to look for widely recurring patterns. My main goal is to save my students the many years of trial and error that it took me to figure out this vast and understudied area of musical practice.

Disclaimers: this isn’t any kind of complete theory, it’s me thinking out loud about a bunch of examples. I chose those examples because I like them and find them interesting, not because I’m trying to be systematic.

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Philip Tagg’s Everyday Tonality

I complain a lot on this blog about traditional approaches to teaching music theory. Fortunately, there are some alternatives out there. One such is Everyday Tonality by Philip Tagg. Don’t be put off by the DIY look of the web site. The book is the single best resource I know of for how harmony works across a broad spectrum of the world’s music.

Philip Tagg

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Rockism

As a kid, I liked everything: rock, hip-hop, classical, jazz, pop, dance, country, whatever. In my teenage years, however, I succumbed to the pressures of a racist society and turned into a devout rockist. I dutifully renounced pop, disco, techno, even hip-hop, anything that was “inauthentic.” I swallowed the rockist dogma that grants legitimacy to Delta blues and classic Motown but not contemporary R&B; to bluegrass but not commercial country; to acoustic jazz but not fusion. I felt earnestly moved by the rockist national anthem:

It took me until my twenties to shake this atavistic silliness and re-embrace the whole universe of Afrocentric music not made by white guys with guitars. Wherever I go, however, I continue to encounter resistance to such musical practices as sampling, synths, rapping, dancing and fun. This resistance is epidemic among my friends, fellow musicians and students, and the music world at large. Consider this post my contribution to the fight against rockism.

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The major scale modes

When you first set out to learn your scales, it can be discouraging. There are so many of them, and their names are so bewildering. The good news is that when you learn one scale, you get a bunch of other scales “for free.” This is because many scales share the same pitches, just in different orders. Scales that are related in this way are called modes.

To understand modes, picture a set of Scrabble tiles. Say you have seven Scrabble tiles that spell the word RESPECT. You can take the first two letters off and stick them on the end to get SPECTRE (the British spelling of specter.) In music theory terms, SPECTRE is a mode of RESPECT; conversely, RESPECT is a mode of SPECTRE.

Now imagine your Scrabble tiles spell ABCDEFG. If you treat the letters as note names, this is a scale called A natural minor. If you take the first two letters off and put them on the end, you get CDEFGAB, the C major scale. C major and A natural minor are modes of one another; learning to play one gives you the other one for free.

This post will walk you through all of the modes of C major. To find a mode, pick any white key on the piano and play to the right to get the mode starting on that note.

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