Sjer has 4 S10 concerts.

Stien den Hollander, better known as S10, is a Dutch singer and rapper. She first rose to prominence in 2016 with her self-released mini-album Antipsychotica, which she recorded using her Apple headphones and uploaded to Soundcloud. She was then signed to Noah’s Ark Label in 2017. Under the label, she released two EPs, which both detail her struggle with mental illness. Both mini-albums being named after types of psychiatric medication.