Whilst studying the flute, Rachel also attended vocal academy with Gisèle Fixe and Vania Boneva (soprano of the Opera of Paris). Occasionally a backing vocalist for artists like Ed Sheeran and Jain, Rachel has performed on many TV sets, but also prestigious venues such as 'Arena of Nîmes' and 'Top of Paris'.

She guests on numerous studio recordings, and in 2016 she wrote and performed in her first children's musical.

At the beginning of 2017, Rachel launched her electro-pop project RoSaWay, releasing her first EP with the drummer Stéphane Avellaneda.