Countertenor range&colon; The countertenor is the highest male voice. Many countertenor singers perform roles originally written for a castrato in baroque operas. In vocal classification these are usually called contralto and male alto or countertenor. Men are usually divided into four groups&colon; countertenor, tenor, baritone, and bass. Men are usually divided into four main groups&colon; countertenor, tenor, baritone, and bass. Examples include contralto, countertenor, "haute-contre", and "tenor altino" among others. It is now performed by either a countertenor or soprano. He also sang "My Way" by Frank Sinatra switching between low tenor to countertenor range. He is known in particular for his powerful and soulful countertenor/falsetto singing voice. Lee's vocals produced a distinctive, "countertenor" falsetto, and resonant sound. Unusually for a countertenor, Jaroussky performs entirely in falsetto register. Tippett introduced him to the public as a countertenor, rather than a male alto. Shamir is known for having an androgynous countertenor voice. Campbell is an altino countertenor who possesses a four and a half-octave vocal range. Madela possesses the vocal range of a countertenor.