These are Lissajous 3D animations with Tune Smithy Fractal Tunes accompanying them. So - just relaxing animations with music for you to enjoy.
You get the Tune Smithy tunes as a free bonus when you buy Bounce Metronome Pro. Also Bounce Metronome originated as one of the tasks of Tune Smithy.
Here are some more videos of Tune Smithy fractal tunes.
In each one you hear the seed, then the fractal tune which is entirely generated from the scale and seed. With the more unusual tunings you hear the scale (tuning) first as well.
Bitter Sweet: Tuning: a harmonic fragment: 5/4 11/8 3/2 2/1 - justly tuned major chord with addition of 11/8 based on11th harmonic - it's tuned a little over half way between a fourth and a tritone above the 1/1,
Endless movement for unaccompanied viola. The tuning is based on the septimal minor 7/6 and the pure justly tuned major 5/4. Tuning: is 1/1 7/6 3/2 2/1 5/4 4/3, continuing with repeat at the 4/3 as 4/3 14/9 2/1 8/3 5/3 16/9 56/27 8/3 32/9 20/9 64/27 ... Instrument: solo viola
Endless movement for unaccompanied violin. Same tune as for the viola with slight changes in timing and dynamics. So, as before the tuning is based on the septimal minor 7/6 and the pure justly tuned major 5/4. Tuning: is 1/1 7/6 3/2 2/1 5/4 4/3, continuing with repeat at the 4/3 as 4/3 14/9 2/1 8/3 5/3 16/9 56/27 8/3 32/9 20/9 64/27 ... Instrument: solo violin
Cello, viola and harp in 6/8 time. Tuning: is Pythagorean 12 tone: 256/243 9/8 32/27 81/64 4/3 729/512 3/2 128/81 27/16 16/9 243/128 2/1
Comma scale steps: Tuning: is a just intonation pentatonic but with two versions of the second and the major sixth, giving extra tiny "comma" scale steps - the notes are a "syntonic comma" apart, tuning: 10/9 9/8 5/4 3/2 5/3 27/16 2/1. Instruments: orchestral harp, shakuhachi and 'cello. These commas are seldom used as scale steps, normally you use one or the other choice for each note depending on the context. But I really like using them as scale steps - you hear the scale (tuning) first then the seed then the tune which is entirely generated from the scale and seed
Golden Ratio Cello Tune Tuning: is Werckmeister III well temperament (from Bach's time) Instruments: orchestral harp, viola, cello and percussion - based on fibonacci rhythms which are highly structured but the structure is recursive not based on a regular measure size