Judith Katrijntje "Trijntje" Oosterhuis is a Dutch singer and songwriter. She formed the band Total Touch in 1990 with her brother Tjeerd Oosterhuis before she started as a solo singer. She represented the Netherlands in the Eurovision Song Contest 2015 with the song "Walk Along", placing fourteen in the first semi-final with 33 points and winning the Barbara Dex Award of the year.

The Netherlands participated in the Eurovision Song Contest 2015 with the song "Walk Along" written by Tobias Karlsson and Anouk Teeuwe. The song was performed by Trijntje Oosterhuis, who was internally selected by the Dutch broadcaster AVROTROS to represent the Netherlands at the 2015 contest in Vienna, Austria. Songwriter Anouk Teeuwe represented the Netherlands in the Eurovision Song Contest 2013 with the song "Birds" where she placed ninth in the grand final of the competition. Trijntje Oosterhuis' appointment as the Dutch representative was announced on 10 November 2014, while the song, "Walk Along", was presented to the public on 11 December 2014.