1 Cardiomyopathy and Women's health symptoms and Cardiovascular symptoms (12 causes) 2  Cardiomyopathy and Women's health symptoms and Movement symptoms (12 causes) 3  Cardiomyopathy and Women's health symptoms and Muscle symptoms (12 causes)  Cardiomyopathy and Women's health symptoms and Nerve symptoms (12 causes)
A choir (/ Ë k w aÉª. Ér /) (also known as a quire, chorale or chorus) is a musical ensemble of singers. Choral music, in turn, is the music written specifically for such an ensemble to perform. Choirs may perform music from the classical music repertoire, which spans from the Medieval era to the present, or popular music repertoire.
A libretto is the text used in, or intended for, an extended musical work such as an opera, operetta, masque, oratorio, cantata or musical.The term, libretto is also sometimes used to refer to the text of major liturgical works, such as the Mass, requiem and sacred cantata, or the story line of a ballet. Libretto (.he term, libretto is also sometimes used to refer to the text of major liturgical works, such as the Mass, requiem and sacred cantata, or the story line of a ballet. Libretto (.