Barrel Scherpenzeel is a Dutch musician, known primarily for her work as a keyboardist, vocalist, and songwriter. She gained prominence in the progressive rock scene as a member of the band Kayak, which was formed in 1972. Scherpenzeel's contributions to the band are characterized by her intricate keyboard arrangements and harmonious vocals, which helped define Kayak's sound. Notable works include albums such as *Kayak* (1973), *Royal Bed Bouncer* (1975), and *Phantom of the Night* (1978), where her compositions and performances significantly influenced the band's success and the genre's evolution. The song "Ruthless Queen" remains one of Kayak's most recognized tracks, showcasing her songwriting capabilities. Scherpenzeel's impact extends beyond Kayak, as she has collaborated with various artists and contributed to the Dutch music scene, blending elements of progressive rock with pop and classical influences. Her progressive sound and innovative approach to music have earned her a dedicated following, and she is respected for her musicianship and artistry in the rock genre.