Daniel Agostini's career began at age 8. In his early folk singing with his sister Karina.
His rise to fame made it possible to joining the Grupo Sombras, who until then was led by Jorge Avila, and earlier by Antonio Rios.
Grupo Sombras began its journey in January 1978 led by Juan Pascual. Went on to become a musical event 20 years later, with more than 400,000 albums sold and listed as one of the most important bands of the tropical scene.
In 1999 he met the actress, Velez Nazarene. Earlier that year, married her in Carlos Paz (Córdoba), amid a wave of rumors harmful to the couple, but went ahead. In August 2000, Gonzalo was born, their first child.
In late 2006 the couple separated, due to wear in the relationship and the high popularity that his wife had obtained in recent years as a leading figure in theater and television.