It's been a while. Time for a solid block of Vivanco sonics. :)

Thanks to our wonderful music theory lesson, I can now easily picture you playing this. :)

Could be the soundtrack to a tumultuous and blustery rainstorm.

this one's simply masterful....loved every second of it!

Composed, arranged, performed, and produced by
Carlos Vivanco



The Doppler effect or Doppler shift (or simply Doppler, when in context)[1][2] is the change in frequency of a wave in relation to an observer who is moving relative to the wave source.[3] It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.

A common example of Doppler shift is the change of pitch heard when a vehicle sounding a horn approaches and recedes from an observer. Compared to the emitted frequency, the received frequency is higher during the approach, identical at the instant of passing by, and lower during the recession.[4]

The reason for the Doppler effect is that when the source of the waves is moving towards the observer, each successive wave crest is emitted from a position closer to the observer than the crest of the previous wave.[4][5] Therefore, each wave takes slightly less time to reach the observer than the previous wave. Hence, the time between the arrivals of successive wave crests at the observer is reduced, causing an increase in the frequency. While they are traveling, the distance between successive wave fronts is reduced, so the waves "bunch together". Conversely, if the source of waves is moving away from the observer, each wave is emitted from a position farther from the observer than the previous wave, so the arrival time between successive waves is increased, reducing the frequency. The distance between successive wave fronts is then increased, so the waves "spread out".

For waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source are relative to the medium in which the waves are transmitted.[3] The total Doppler effect may therefore result from motion of the source, motion of the observer, or motion of the medium. Each of these effects is analyzed separately. For waves which do not require a medium, such as electromagnetic waves or gravitational waves, only the relative difference in velocity between the observer and the source needs to be considered. When this relative velocity is not negligible compared to the speed of light, a more complicated relativistic Doppler effect arises.

Nightfall

Doppler Effect

Born in México City in 1955, started playing at an early age. In Mexico, I played with bands like "Batallón de San Patricio", "Atrás del Cosmos", "Queso Sagrado", "Syntoma", " Broken Heart", "Decibel", "Bardo Thodol", "Kathmandu Ensemble". In New York City I played with Bands like, "King"s East", "In The Service Of", "Fist of Facts", "Desire", "Dense Undergrowth"," "Matahari", "Like Wow", "Devil's Breakfast", "Muse Mob", "Atlantis 3000", "Monster", "Zenith", "Andromeda Crash" "Night Shade", I also collaborated with Hector Zazou, Harold Budd, Elliott Levin, Dennis Charles, and many others. For many years I also wrote Jingles for a lot of products like Coca-Cola, Pepsi, Mc Donalds, Toyota, Kodak, Payless Shoes, Rothman's, Salsa Tabasco, JC Penny, Liberty Science Center, American Heart Association, MCI, Reebok, AT&T, Fanta, Play Movil, etc, I also made music for Viacom writing music for cartoon networks, Bravo TV, Chanel 1, and MTV. Also wrote music for Bill Moyers (PBS)and also for Fax TV in Germany.

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