In 2005, Castro began performing as a solo artist under the name "Dread Mar I", and released his first album
Jah Guia. He also performed as the backup singer for a group called
Los Cafres. In 2006, he performed with the Argentine artist
Guillermo Bonetto and released the album
Hermanos while performing domestically. In 2008, he started performing internationally in Chile and Uruguay and was the Argentine reggae artist with the most shows that calendar year with 60 shows in less than 8 months. That year he also released his album
Amor-es. In 2010, he released his album
Viví en do. In June 2012, he released the album
Transparente. In 2015, he performed at the
Galileo Galilei Planetarium celebrating a decade of performing. The performance was recorded under an album called
10 años (en vivo) , and released at
Estadio Luna Park. In 2018, he recorded
Caminarás caminos in Jamaica with renowned reggae artists. In the year 2020, his single "Tú sin mí" and record for the most viewed Argentine song on
YouTube with 550 million views. In October 2020, he had the three most popular songs on YouTube. In 2021, he released his album
Yo. == Discography ==