What causes Micropenis? Micropenis is caused by the male babyâs penis failing to elongate after the first trimester of pregnancy. (5) The cause of this is thought to be a hormonal problem. Specifically, it is thought to be due to insufficient levels of testosterone, a male sex hormone.
Percussion notation is a type of musical notation indicating notes to be played by percussion instruments.As with other forms of musical notation, sounds are represented by symbols which are usually written onto a musical staff (or stave).Percussion instruments are generally grouped into two categories: pitched and non-pitched. The notation of non-pitched percussion instruments is less standardized.Cymbals are usually notated with 'x' note heads, drums with normal elliptical note heads and auxiliary percussion with alternative note heads.s with other forms of musical notation, sounds are represented by symbols which are usually written onto a musical staff (or stave). Percussion instruments are generally grouped into two categories: pitched and non-pitched.
Another important characteristic of the jarana strumming is the use of the rasgueo, derived from rascar (to scratch), the musician drags the thumb or fingers across the strings producing a distinctive musical sound that makes the son jarocho unique.he jarana, in most sones veracruzanos, plays a repeated strum pattern, termed m nico, the repeated harmony determines the speed of the song and style. The m nicos or, alternatively, maniqueos are melodic lengths and phrasings, and tendencies of harmonic rhythm expressed in duple meter or triple meter.