On December 20, 2026, the Dutch progressive-rock veterans Focus bring their virtuosic blend of flute, guitar and dazzling instrumental interplay to Patronaat in Haarlem for an evening that promises both the band’s classic hits and fresh explorations of their repertoire; the intimate venue atmosphere and crisp acoustics of Patronaat will highlight the swirling melodies and dynamic solos that have defined Focus for decades, making this concert a must-see for long-time fans and newcomers alike. The show will offer moments of high-energy showmanship and quieter, mesmerising passages, showcasing the group’s technical skill and infectious sense of melody, and attendees can expect a warm hometown welcome in the historic city of Haarlem. Advance planning is recommended, as tickets for this highly anticipated December performance are likely to sell quickly, so fans should secure their places early to avoid disappointment.