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.
In short: the bass-baritone is a voice that has the resonant low notes of the typical bass allied with the ability to sing in a baritonal tessitura. Colloquially, it refers to a voice with a range and tone somewhere between a bass and a baritone.