Rheumatoid arthritis (RA) causes premature mortality, disability and compromised quality of life in the industrialized and developing world (1). Rheumatoid arthritis is a systemic inflammatory disease which manifests itself in multiple joints of the body.
A baritone is the most common type of male voice whose range lies midway between the high tenor voice and the low bass voice. In comedic operas, he is often the leader of the funny business, but he can also be the hero, who sacrifices himself for the tenor or soprano, or the villain.
What is the high pitched singing male voice called? Falsetto Tenor is the vocal range of a man who can sing higher than  the average man. A male soprano is a man who can sing very high  notes which usually only a woman is capâ¦able of (a female who sings  high notes is called a soprano), for example, opera singing. An  incredibly high man's voice is soprano , but generally high man's  voice is alto.