[2] In 2010, Klingenström participated in the web wildcard contest of Melodifestivalen 2011 with the song "Mr Lonely Man" and made it among the top 100 entries.

[3] Klingenström won the Gotland region of the music competition Svensktoppen nästa, held by Sveriges Radio P4 with the song "It Makes Me Crazy" in 2012.

[4] Klingenström participated in Melodifestivalen 2021 with the song "Behöver inte dig idag" which she co-wrote with Bobby Ljunggren and David Lindgren Zacharias, advancing to the Andra chansen round.

[8] On 13 August 2021, Clara released her new personal single 'Liv' one year after her father's death.

[10] In 2024, she participated again in Melodifestivalen with the song "Aldrig mer", also co-written with Ljunggren and Lindgren Zacharias;[11] she was eliminated in her heat on 17 February 2024.