Holy Bot

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production technique

About Euclidean Rhythms

Everybody seems to be talking about Euclidean rhythms, but here’s a short explanations on this blog anyway.

The Euclidean algorithm computes the greatest common divisor of two given integers. This is used to distribute numbers as evenly as possible, not only in music, but in applications in many fields of scientific research, e.g. string theory and particle acceleration.

Euclidean rhythms are derived from two values: one that represents the length of the pattern in steps, and the other that defines the hits or notes to be distributed evenly across that pattern. Any remainders are also to be distributed.

Here’s two examples. First: E(2,8), this means a sequence of eight beats and two hits [11000000], where 1 is a hit and 0 represents a rest. Spread out evenly across, it should look something like this [10001000].

A second example: E(5,8), with five hits, [11111000] via [10101011] looks like this after the remainders are distributed as evenly as possible [10110110].

Any two numbers can be combined to generate a semi-repetitive pattern. It’s possible to offset the rotation of the sequence by a certain number of steps. And by playing several patterns with differents lengths and offsets, complex polyrhythms can occur. For example, try playing E(2,8), described as above, together with E(5,16) like this [0010010010010010].


Mixing at the Right Levels

There’s this theory of the ear that it hears different frequencies at different levels. The Fletcher-Munson curves, commonly known as equal-loudness contours, indicate the ear’s average sensitivity to different frequencies at various amplitude levels.


Even if the tonal balance of the sound remains the same, at low volume, mid range frequencies sound more prominent. While at high listening volumes, the lows and highs sound more prominent, and the mid range seems to back off.

In short, this explains why quieter music seems to sound less rich and full than louder music. Generally it’s better for the music to sound good as the volume increases.

As a consequence of this, you should edit, mix and work on your music on a high enough volume (not ridiculously loud), so that you can make sure your music doesn’t sound terrible when it’s listened to at a higher level. Because as a music producer you would want your music to sound best when the listener is paying full attention. But use caution, don’t damage your ears bla bla bla.

Vocal Delay Ducking

The normal thing to treat a dry vocal is to put reverb and delay on it. But that could make the vocal a bit muddy.

To keep it in-your-face and conserve the clarity of the vocal, while still having an effect to make it sound bigger, try ducking the volume of the delays whenever the dry vocal is active. To do so, side-chain the delay bus to the lead vocal track.

For example, use a delay device on a return bus and put a quarter note delay with low feedback, and send it to the vocal track with a little less volume. On the same bus, put a compressor and select the vocal track as the side-chain source. Set it up as you like, perhaps bring down the wet-parameter some.

You can also try the same thing with a reverb.

Create a Shimmer Reverb

Shimmer is a feedback-reverb-pitch-shift-effect made popular by Brian Eno and Daniel Lanois. The idea is to feed a reverb to a pitch shifter and back again. Each delay repetition gets shifted one octave up. In this case I’m using Ableton Live with stock effects, the Reverb and Grain Delay where the signal gets delayed and pitch shifted. You can use these guidelines in different environments (hardware/software) but here’s how I do it:

  1. Insert two Return Tracks and put a Reverb on A.
  2. Turn off Input Processing Hi Cut, set Global Quality to High, turn off Diffusion Network High, a fairly long Decay Time and turn the Dry/Wet to 100 %.
  3. Enable Send B on the Return Track A and set it to max.
  4. Use the Grain Delay on Return Track B.
  5. Set Frequency to 1.00 Hz and Pitch to 12.0.
  6. Enable Send A on the Return Track B and set it to max.
  7. Dial Send A of the Track with the signal source that you what to shimmer.

Also try to bring in Send B on the signal. And play with the Size and Diffuse controls of the Reverb.

Split Frequency, Split

I’ve written about the perks of putting side-chain compression on only the low frequencies of a bass earlier.

To do so, three copies of the sound are needed. Or, as this post will show, you could split the frequency into three bands (high, mid and low). By doing this, it is possible to apply different signal processing on each band.

Now I usually try to write about music production on a more abstract level, and not about a specific DAW or instrument, but this time I going to illustrate with Ableton Live on Mac. The theory is the same though, you just need to figure out how it works in your particular environment.

So I’m using the stock effect Multiband Dynamics to split frequency. The device has noticeable affect and coloration on the signal, even when the intensity amount if set to zero, but it should be transparent enough for now.

  1. Drop a Multiband Dynamics in the Device View.
  2. Set the Amount control to 0.0 % to neutralize compression or gain adjustments to the signal.
  3. Group the Multiband Dynamics in an Audio Effect Rack (select the device and press CMD + G).
  4. Show the Chain List of the rack.
  5. Dictate the crossover points on High and Low (the Mid consists of what is left in between, so remember to also change the crossover points in the mid chain if you make adjustments on the others), e.g. set the bottom of the frequency range of the high band to 1.00 kHz.
  6. Duplicate the selected chain two times.
  7. Rename all of the chains High, Mid and Low, from top to bottom.
  8. Solo each band respectively on the Split Freq, i.e. solo Low on the low chain.

Now process each band individually. Use a Utility device on the low chain and set Width to 0.0 % to direct the low frequencies to mono. Also, on this band, set up a side-chain compression triggered by the kick drum. Try a stereo widening effect and some reverb on the mid chain. And perhaps a little saturation to add some crunch on the high chain, I dunno, it’s up to you.

Bedroom Studio Tips Revisited

Three years ago I posted a list of some music production methods and tips on my blog that still gets some attention. Now, here’s some other good read (I hope).

Moreover, you really should check out the most popular post on this blog about the best tips on music production that I can think of.

Recording Levels

Gain staging refers to the process of managing the relative levels – at each stage of the audio signal path – in the mix to prevent introduction of noise and distortion. This can have a profound impact on the quality of your recordings.

Generally, the goal is to keep the signal chain as clean as possible, that is, high above the noise floor without overloading. Proper gain staging is critical in setting the levels to maximize the signal-to-noise ratio of the input signals.

Treat every device in the setup as an opportunity to compound errors. Consider both hardware and software components of this issue (although headroom is not really a problem in the digital world).

So don’t run hot during mixing or the D/A converters will start to introduce clipping and artefacts. Still, you can clip shit, e.g. the drum channel (by doing so you can achieve some effect, some pop). That being said, never let the master fader clip.

Rhythm Against Rhythm

The term polyrhythm denotes the rhythmic dissonance created by the simultaneous use of two or more conflicting rhythms in different time signatures. This can be systemic, the basis of an entire track – cross-rhythm – or just a brief momentary disruption, e.g. the hi-hat or snare triplets rolls on a trap beat.

Try it out yourself: Program a drum loop, set the kick and snare in a straight 4/4 rhythm, but put hi-hats in a 6/8. Add a bassline pattern in 4/4 and put some chords in 5/4, voilà! (You may have to set up your sequencer or piano roll grid to 48th notes.)

With polyrhythms, this loop just got more interesting, less predictable and got some character.

Today’s Best Tips on Music Production

10 essential tips… 20 mistakes… 30 production secrets and so on, such lists seems to be really popular these days. Although many of them are just full of crap. Especially forget about the longer checklists – even if you could find some good advices there, most tips are just nonsense, like “don’t mix bass with headphones”.

Anyway, to you aspiring producer, here’s a few things I think you should care about:

  • Listen to different styles of music and try to identify what you like and what you dislike.
  • Analyze your favorite artists’ work in great detail. Theorize with both feet on the ground.
  • Go ahead and copy other artists, but don’t settle there – tweak and add your own style and flavor.
  • Cover, remix and remake your favorite tracks, it’s a good and fun way to learn about music.
  • Use reference tracks, compare your shit to others, but don’t get paralyzed when your track doesn’t bang as loud as them.
  • Learn about synthesis and learn how to sound design different kind of instruments, e.g. strings, plucks, percussion (make synthetic drums using waveforms, a noise generator, filters, envelopes and such).
  • Check your music productions on several systems; from high-end studio monitor speakers to iPhone earbuds.
  • Sleep on it. Let your track mature over night and return to it with fresh ears.
  • Go hardware, get tactile if you are growing tired of a software-based environment. To actually play an instrument or to turn a real knob is really something else.
  • Get inspiration from collaborations with other artists. Just reach out to people you admire – this is globalization, this is the time of teh internetz.
  • Try to keep passionate about creating music, but don’t be afraid to make some demands of yourself, just to push things forward.

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