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The String Quartet No. 16 in E flat major, K. 428/421b, was composed by Wolfgang Amadeus Mozart. This is the third of the Haydn Quartets, a set of six string quartets he wrote during his first few years in Vienna and later dedicated to Joseph Haydn.

It is in four movements:

I. Allegro non troppo
II. Andante con moto
III. Menuetto & Trio
IV. Allegro vivace

The first movement is highly chromatic, with the chromaticized bridge theme in the exposition being one of several examples, the end of the exposition being another.

The slow movement "invokes ... the slow movement of Haydn's Op. 20 No. 1. The ostentatious dissonances of its opening almost have an antique flavour, caused by the collision of semitonal ascents and descents, and this strongly suggests the opening subject of the first movement, so surprisingly isolated there." Other commentators hear it as pointing forward to Johannes Brahms.

Throughout the third movement Mozart "makes use of a pedal point in the bass, thus giving the music an entrancing rustic effect." The last movement "can best be described as being an abridged rondo form."

Retailers:

iTunes:
https://itunes.apple.com/gb/album/the-mozart-project/id1034980035

Google Play
https://play.google.com/store/music/album/The_Mozart_Project_Mozart?id=Batumgqtgiizmmajzp7nun2bawq&hl

Rdio
http://www.rdio.com/artist/Wolfgang_Amadeus_Mozart/album/Mozart_-_Symphonies%2C_Sonatas%2C_Serenades%2C_Concertos__Overtures/

Deezer:
http://www.deezer.com/album/11116224

Tidal:
http://listen.tidal.com/album/53171424

HMV
https://www.hmvdigital.com/releases/4910498

Amazon:
http://www.amazon.co.uk/Mozart-Project-Mozartisan/dp/B014MVAV7Y

Rhapsody
http://www.rhapsody.com/artist/mozart-2/album/mozart-symphonies-sonatas-serenades-concertos-and-overtu

MediaNet
http://www.mndigital.com/content-experience/music_content/albums/378851987/Wolfgang_Amadeus_Mozart/Mozart_The_Essential_Collection/

Groove
https://music.microsoft.com/album/wolfgang-amadeus-mozart/mozart-the-essential-collection/bz.15673C09-0100-11DB-89CA-0019B92A3933?target=web

Emusic
http://www.emusic.com/album/the-mozart-project/mozart/16177427/

Microsoft
https://www.microsoft.com/en-us/store/music/album/wolfgang-amadeus-mozart-haydn-light-orchestra/mozart-the-essential-collection/8d6kgx070nr0

Google Play
https://play.google.com/store/music/album/Mozart_Mozart_Symphonies_Sonatas_Serenades_Concert?id=Bbrfnmsqsow4thkok67d7hr7kku&hl=en_GB

Spotify:
https://play.spotify.com/album/2qTzSNOusiykyFQ21F51mc

Orchestral samples included in this recording from the Vienna Symphonic Library.

Mozart - The Essential Collection

Tidal

Quartet No. 16 in E-Flat Major, K. 428: IV. Allegro Vivace Assai

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Wolfgang Amadeus Mozart wrote his Symphony No. 40 in G minor, KV. 550, in 1788. It is sometimes referred to as the "Great G minor symphony," to distinguish it from the "Little G minor symphony," No. 25. The two are the only extant minor key symphonies Mozart wrote.

The work is in four movements, in the usual arrangement for a classical-style symphony (fast movement, slow movement, minuet, fast movement):

Molto allegro, 2/2
Andante in E-flat major, 6/8
Menuetto. Allegretto – Trio, 3/4
Finale. Allegro assai, 2/2

The second movement is a lyrical work in 6/8 time, in E flat major, the submediant major of the overall G minor key of the symphony. 

Retailers:

YouTube
https://music.youtube.com/playlist?list=OLAK5uy_m4VsdRl4Yv4y63CU_ArM91jVaewHDk0Us

Tidal
https://listen.tidal.com/album/53171424

Napster
https://us.napster.com/artist/wolfgang-amadeus-mozart/album/mozart-the-essential-collection

Deezer
https://www.deezer.com/us/album/12179034

Spotify
https://open.spotify.com/album/2g0NuO4CPA2uBLjzLqioCN

Amazon
https://www.amazon.com/Mozart-Collection-Haydn-Light-Orchestra/dp/B015NQQFHC/

Orchestral samples included in this recording from the Vienna Symphonic Library.

Mozart - Symphonies, Sonatas, Serenades, Concertos & Overtures

Symphony No.40 in G-Minor, K. 550: ‘Great’  II. Andante

Twitter

Forget the myths. The influence of sound on plant life isn't magic—it's physics. As a bio-acoustic researcher, I've dedicated my career to decoding the precise vibrational mechanics that stimulate plant development. In this investigation, we move beyond popular culture to explore the specific, measurable effects of sound waves, focusing on why the structured acoustic patterns of Classical-era string quartets (e.g., Haydn, Mozart) are uniquely effective.

This is not about a plant's "taste" in music. It's about mechanoreception. Plants are exquisitely sensitive to physical stimuli. Their cellular structures contain mechanosensitive ion channels that respond to pressure and vibration. We will explore how:

Harmonic Frequencies Stimulate Cytoplasmic Streaming: The consistent, harmonically rich frequencies produced by violins, violas, and cellos (ranging from approximately 196 Hz to over 4 kHz) create a stable vibrational field. This gentle agitation is hypothesized to enhance cytoplasmic streaming—the movement of fluid within the plant's cells. Improved streaming leads to more efficient transport of nutrients and organelles, optimizing metabolic function.

Rhythmic Pulses Influence Stomatal Conductance: The predictable, moderate rhythmic patterns of a Haydn-esque quartet create periodic pressure waves in the air. Emerging studies suggest that specific frequencies (in the 1-2 kHz range) can influence the opening and closing of stomata, the pores on a leaf's surface. By encouraging stomata to remain open longer in optimal conditions, the plant can increase its CO₂ uptake for more efficient photosynthesis.

Avoiding the Stress Response: Unlike harsh, dissonant noises or low-frequency, high-amplitude sounds that can mimic threats (e.g., large animals, seismic activity) and trigger a defensive stress response (thigmomorphogenesis), the smooth, ordered sonic texture of a string quartet provides stimulation without alarm. This creates an environment of "eustress"—a beneficial level of stimulation that promotes growth rather than inhibiting it.

Join me as we analyze the specific acoustic properties of this music and connect them directly to the biological processes they influence. We will examine the scientific data and separate rigorous research from horticultural hearsay. This is the real science of sound and botany.

Key Scientific Concepts Explored:

- Mechanoreception & Mechanosensitive Ion Channels

- Cytoplasmic (Protoplasmic) Streaming

- Stomatal Conductance & Gas Exchange

- Thigmomorphogenesis (Plant Stress Response)

- Acoustic Frequency and Amplitude Analysis

Héctor Castillo https://MyEq.pro Founder

Bio-Hack Plant Growth - MyEq.pro

The Glory of Bach

Orchestral Suite No. 1 in C Major I. Overture BWV 1066 

Epic Orchestra

Má Vlast: Vltava "Die Moldau"

Slavonic Dances No. 8 Op. 46

Noah Barton, piano solo
Franz Liszt, Consolations, S 172, No. 3, Lento Placido

Noah Barton plays Franz Liszt, Consolations, S 172, No. 3, Lento Placido

Shostakovich 5 Pieces for 2 Violins and Piano - Prelude I

Classical Music - Wolfgang Amadeus Mozart - String Quartet No. 15 in D Minor, K 421 - I. Allegro Moderato

Relaxing with Handel

Sonata For Piano And Violin In F Major, Op. 1, No. 12, HWV 370/ I. Adagio

Sonata For Piano And Violin In F Major, Op. 1, No. 12, Hwv370/ III.Largo

Classical Music - Wolfgang Amadeus Mozart - String Quartet No. 15 in D Minor, K 421 - I. Allegro Moderato

Brainwave-Sync