The long term negative effects of anxiety and depression are also the same. Depression can increase your chances of developing heart disease by as much as 60%. Many scientists believe that the influence of anxiety in developing heart disease is even higher than that of depression.
Contralto/Alto. Contralto is the lowest female operatic voice, usually with a deep and dark timbre. True operatic contraltos are very rare. Technically, alto is only a separate category in choral music where it refers simply to the vocal range. Male Voice Types: Tenor Leggiero tenor - The male equivalent of a lyric coloratura voice, this is an often light and very agile tenor voice, capable of coloratura and able to sing notes above the tenor C.
Mezzo-soprano range: The mezzo-soprano is the middle-range voice type for females. The mezzo-soprano voice lies between the soprano voice and contralto voice, over-lapping both of them. The typical range of this voice is between A3 (the A below middle C) to A5 (two octaves higher).