[3][6][7] They first started playing music at the age of 6 on their parents' Yamaha piano and learned classically although eventually dropped taking lessons, and wanted to explore something more challenging which led them to guitar and drums.
[8] Ćmiel initially started playing waltz pieces, though they soon moved on to songs from the soundtracks of Final Fantasy X and Kingdom Hearts.
[10] After graduating from high school, they applied to Central Saint Martins to study fashion communication and womenswear.
[12] Ćmiel followed up with the OST to interactive simulator game Lost Memories Dot Net, which was released on July 17, 2017.
On that date, Yeule premiered the video and released the single for their new song "Sulky Baby" and announced that they had signed to the Ninja Tune label.
Ćmiel's musical influences draws inspiration from 90's and 00's alternative acts by the likes of My Chemical Romance, Avril Lavigne, Hole, Radiohead, the Pixies and the Smashing Pumpkins.
Some of their favorite albums are My Chemical Romance's Three Cheers for Sweet Revenge (2004), Avril Lavigne's Let Go (2002) and Under My Skin (2004); and the Smashing Pumpkins' Mellon Collie and the Infinite Sadness (1995) and Siamese Dream (1993).