Raul-Stig Rästa, known professionally as Stig Rästa, is an Estonian singer-songwriter. Between 2002 and 2006 he formed a band Slobodan River with Ithaka Maria and Tomi Rahula. Since 2006 he has played in the band Traffic and since 2010 in Outloudz. In 2011 he was a contestant in the fifth season of Let's Dance, the local version of the Dancing with the Stars franchise. He was partnered with Karina Vesman and they finished in fourth place. In 2012, Stig played Moritz in the Estonian original production of the musical Spring Awakening.
He has been writing and producing songs for Elina Born since before their Eurovision appearance, having discovered her via YouTube and first contacting her via Facebook. The two of them represented Estonia at the Eurovision Song Contest 2015 in Vienna with the song Goodbye To Yesterday, finishing in 7th place in the grand final. He also wrote the song Play for his Estonian successor, Jüri Pootsmann.
In 2018 he attempted to represent Estonia for the second time, this time as a soloist with his song "Home". He made the superfinal, but finished a distant second in the public vote to Elina Nechayeva. A year later, he co-wrote the song Storm for Victor Crone, who represented the country at the 2019 contest.
He was one of the five jurors for Estonia in the 2021 contest in Rotterdam. The following year, he participated in Eesti Laul 2022 with the song "Interstellar", finishing in 9th place in the final.