Joshua Winslow "Josh" Groban (born February 27, 1981) is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 singer-songwriter

Singer-songwriter

Singer-songwriters are musicians who write, compose and sing their own musical material including lyrics and melodies. As opposed to contemporary popular music singers who write their own songs, the term singer-songwriter describes a distinct form of artistry, closely associated with the...

, musician

Musician

A musician is an artist who plays a musical instrument. It may or may not be the person's profession. Musicians can be classified by their roles in performing music and writing music.Also....* A person who makes music a profession....

, actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

, and record producer

Record producer

A record producer is an individual working within the music industry, whose job is to oversee and manage the recording of an artist's music...

. His four solo albums have been certified at least multi-platinum

Music recording sales certification

Music recording sales certification is a system of certifying that a music recording has shipped or sold a certain number of copies, where the threshold quantity varies by type and by nation or territory .Almost all countries follow variations of the RIAA certification categories,...

, and in 2007, he was charted as the number-one best selling artist in the United States with over 21 million records in that country. To date, he has sold over 24 million albums worldwide.

Groban originally studied acting, but as his voice changed, it developed into a "significant instrument".