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Music Therapy is a therapeutic method which can treat people's psychological illnesses. Through using music intervention, it can stimulate people's nervous system that can improve their mental illnesses, for example, it can reduce the incidence of dementia and improve the mental state of children with autism, etc. A key element of the music therapy process is an emphasis upon the therapeutic relationship

between clinicians and clients (MacDonald 2013).

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Etudes are a repertoire of basic skills to practice in music, and there are some difficult etudes that show the skill of a musician well.
This is good, Wenjun, but could you explain more abiut the 'difficult etudes'?

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Andante: originated in Italian and is a speed marker in music. It means slow music which is measured by the speed or frequency of the walk and is slightly slower than the medium speed. It gives the player a slow, calm feeling. It is often used in sentimental, solemn or emotional music.Quite good, Yanshuai.

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Lento: adagio is commonly found in the second movement of a symphony or concerto. 52 beats per minute. The adagio is one set of three eyes and four/four beats. The upper and lower sentences are the most basic constituent units, and each upper and lower sentences are mostly composed of two small clauses.

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Music therapy is a treatment which involves a wide range of subjects that use all musical activities to stimulate and hypnosis patients to achieve a healthy body.
careful with word form. Also, I think you could have said a lot more about this topic in an extended definition - it's vague. for example, what do you mean by 'healthy body'

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Perception is a term which describes the awareness of surroundings through physical sensation, as when you listen to a musical performance. The term can also be used to describe the way one understands something or the impression one has of it. Perception and oblivion are opposing descriptions of how you relate to your environment. The former is associated with observation, consciousness and sensing, while the latter is associated with neglect, unconsciousness and unawareness. A good extended definition. I have highlighted a problem with linking in the last sentence - can you try and fix it? Like this?

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Symphony: A symphony is written to the big orchestra. It is separated ____ four sections and is played by ___________kinds of western instruments.preposition/missing words

Concerto: A concerto is a music form which is written for one or more instruments soloists and orchestra, generally consisting of 3 movements.  punctuation

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Pedal: A pedal is an auxiliary means for piano, which can make music sound more mellow. Some etude and fugue seldom uses pedals. A good start, but it seems unfinished. For example, can you explain more about why etude and fugue seldom uses pedals?

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Piano Sonata is a music genre which is given a number by the composer and it always concludes 3 or 4 movements with different emotion. Are you sure a sonata is a genre? Check your terminology.

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A Sonata is a type of classical music, usually play a solo or an instrument with piano. (parallel structures - the first clause does not 'agree' grammatically with the second clause)

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Dot is  a mark that represents a duration  directive in music notation,it increases the value of the note by half of its own value.Careful with linking clauses.

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Prelude: A Prelude is usually a brief piece at the beginning of a longer piece of music. It can also refer to music that precedes a religious ceremony, something that is played or sung before the event begins. The feature of prelude is a small number of rhythmic and melodic intention that recur through the piece. (is this your own writing?)

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 Yingying Guo                                                   clef: a clef is a symbol for a pitch note.The notation on the left of the staff at music, used to determine the specific pitch position between the lines in the table.Generally, there are treble clef (G clef), bass clef (F clef), middle clef (C clef) and so on.

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 Yingying Guo                                                   clef: a clef is a symbol for a pitch note.The notation on the left of the staff at music, used to determine the specific pitch position between the lines in the table.Generally, there are treble clef (G clef), bass clef (F clef), middle clef (C clef) and so on.

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'the staff at music' - needs rephrasing.
Avoid use of 'so on' in academic writing.
Grammar - there are treble clef (singular/plural)

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Hanwei He, Yang Wang, Shuyu Feng, Haujen Hsu, Zhiling Kuo

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Hanwei He, Yang Wang, Shuyu Feng, Haujen Hsu, Zhiling Kuo

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Music Therapy is a therapeutic method which can treat people's psychological illnesses and physiological illnesses.

Music medicine is an approach to improve health through music， which is a professional field associated with music, fitness and welfare.

The hippocampus is a part of the brain which is mainly responsible for the storage and transformation of long-term memory.

A cappella is a style of chapel or church singing music that without instrumental accompaniment. This term has religious or non-religious form, which used to vocal performed by a choir, a small group and solo.

Psychology of music is used to understand the related psychological process of people's perception and cognition of music. Including music listening, music performance, music creation, development of music psychology, music therapy, music emotions and meanings.

These are all competent definitions - the ones for 'a capella' and 'Pscychology of Music' are more extended. How could you have extended the first three?

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A Metronome is a device which is used to indicate the accurate speed of the song's tempo when players play the music, and the number on the device means the beats in a minute.repetition

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Vibrato: Vibrato is a natural effect of the singing voice, produced by agonist/antagonist laryngeal muscle pairings, which is determined by three factors: the oscillation of the fundamental frequency (pitch), the amplitude (loudness), and the spectrum (timbre). The pitch variation and the speed of the oscillation are characteristics of vibrato that determine the richness of the sound. This natural sound effect indicates a healthy vocal production and adds expressiveness to the singing voice. Good.

Entrainment: By entrainment is meant the interaction of two separate rhythmic systems so that one synchronises gradually with the other, such as the auditory-motor response of tapping the foot to a musical beat or the synchronisation of the heart beat to an external stimulus. In Physics, however, entrainment characterises the process by which a fluid is able to pick up and carry another fluid. Good contrast linker

Staccato: Staccato is a articulation effect with feature of very short and disconnected in playing or singing. For instance, when you play a phrase with staccato notes on piano, it must sound like there are gaps or pauses between each note. It better be played without pedal.Grammar - 'it sounds' - present simple as it happens every time (fact); Think of an alternative to 'It better be' (doesn't fit meaning and form is wrong)

Fugue: A fugue is a contrapuntal musical form, which is characterised by an initial theme that is then repeated with small variation by other parts (vocal or instrumental) in order to develop different layers and promote music development.(is this copied?)

Music Performance Anxiety: The definition of music performance anxiety is still debated but it is generally agreed that it entails the experience of anxiety in relation to musical performance, involving muscle tension and behavioural and cognitive symptoms. For some, it is highly correlated to social anxiety disorder. Very good definition (highlighted language is especially good)

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- Amusia : Individuals born with a lifelong musical impairment, a perceptual agnosia characterized by deficits in melody recognition and discrimination (Stewart, Kriegstein, Warren, & Griffiths, 2006).

- Earworm : Irrepressible melody of a song or other musical piece
recurring in the mind which is not controlled by the brain (Divya, 2011). The earworm usually harmless and short-lived, which does not cause long-term torture.

- Opera : An art form born in Florence in sixteen century. It is defined as drama in music, and it is a dramatic action, actor wear costume and perform on a stage with scenery, the performance form for the most part by singing (Grout & Williams, 2003, p.1). Opera has different categories, including serial opera, comic opera and grand opera.grammar

- Sonata : A music form, originated from Latin and Italian that contains almost all types of structural forms since the last Renaissance, consisting of 3 or 4 contrasting movements, ensemble with a musical instrument or a musical instrument solo (Society, 2018).

These are fine as straightforward definitions, but how could you have extended them?