Caardia is the Toronto-based alternative-pop sister duo made up of singer/songwriters Annie and Celia Siriopoulos.


These creative empaths’ music reflects life in a genuine, realistic, and recognizable way – designed for soulful listening and thought. Their songs are about living life, accepting challenges, working through the pain, and other valuable lessons they have learned throughout their adolescence and young-adult lives, which has spanned the ten years of their singing career thus far.
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The duo became recipients of the FACTOR Artist Development Grant in 2019 and was named one of CBC Searchlight’s Top 10 Teens to watch in 2020. They were also selected to showcase in Canadian Music Week 2021 and performed at Wintersong in 2022 and 2023. In April of 2024, they had some of their biggest shows to-date, accompanying world-renowned artist Pavlo as part of the Canadian leg of his tour. In 2019, they began a radio show called “The Caardia Show” on Agape Greek Radio, and are annual hosts and performers at GIFFT of Canada.


Their first EP, “The Deep End,” was produced together and co-written with Ryan Guay and some by Adam Tune. Their 2019 single, “Walking Away”, was made with JUNO/CCMA award-winning music producer Chris Perry. Caardia’s new EP, fully written by the sisters, reinvents the “Caardia sound”, featuring “Simple is Better,” “Over You,” “Cherry Soda,” and “Complete,” produced by multi-platinum music producer Roy Hamilton III.