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Music theory thread:

Never in my life have I seen a good explanation of how music works.

The way music is currently taught is a Byzantine morass of disconnected concepts. But it doesn’t need to be that hard.

Here is the ultimate and definitive explanation of how music works.


All sound has only two dimensions: amplitude and frequency.

If a sound is oscillating with a specific discernible frequency, then it will have a discernible pitch, and we call that a note.

The higher the frequency, the higher the pitch of the note.

Individual notes alone have no emotional content, and therefore aren’t music. You aren’t moved to tears by your microwave beeping.

Similarly, you won’t feel anything if you play just a single note on the piano.

It’s only when you get two notes of different pitch played simultaneously that an emergent emotional quality starts to arise.

There will be a mathematical relationship between the frequencies of the note. We that relationship an interval.

Intervals are the emotional phonemes of music — the smallest building blocks that have emotional content.

The most pleasing intervals tend to have the simplest mathematical ratios.
Wanted to circle round on this from last week & reiterate the importance of getting underneath the issues. Last fall, @ErinStraza & I did a @PersuasionCAPC series to highlight those deep differences & called it #ForGodandCountry.


Series started w/ an episode w/ @KaitlynSchiess on how political formation & spiritual formation relate.

Underlying Q: What is the purpose of political engagement? To love neighbor or to win for our

We followed that up w/ a convo w/ @socofthesacred on the phenomenon of Christian Nationalism.

Underlying Q: How should the church & state relate to each other? What role should faith play in political engagement?

Then in episode 3, we settled in to talk about political tribalism and the danger of "us vs. them" mentality.

Underlying Q: How should we relate to those who hold opposing viewpoints? What happens when we tie ourselves to certain politicians &

In episode 4, we discuss the call to "just preach the gospel" & @samhaist joins us to talk discipleship irt political engagement.

Underlying Q: What does the gospel demand of Christians in a broken world? Should we detach from public arena? Can we?
It's #TwitterBookLaunch day. The wine has been unscrewed, the prawns de-veined for the most part, and its time to celebrate twenty brilliant books published during lockdown. There'll be 2 parts to the thread but please scroll through, share and buy books if you can. So -

In #Empireland, @sathnam shows how our imperial legacy shapes Britain today. 'Intensely readable..mindful of complexity' says @mrjamesob, 'perfectly-judged' says @jonathancoe, this important book is available from - for instance - @kewbookshop

- and here's #HowWeMet, 'a beautiful, refreshing and honest memoir about family, love, inheritance and loss' @nikeshshukla. 'Beautiful, witty, romantic' says @VivGroskop Quick, join Huma in conversation with @SaimaMir at 11, on IGTV via @eandtbooks -


Best title of the week goes to #MrsDeathMissesDeath from poet-turned-novelist @salenagodden, 'a fantastically imaginative story of life, death and everything in between' @idriselba. Beautiful special editions available from many indies, e.g @NewhamBookshop

And happy publication day to @colette_snowden and @Ofmooseandmen for 'Captain Jesus' (another pretty good title). Loss, family trauma, guilt and the natural world. Signed copies available from @ChorltonBkshop or order from the many indies below -