Zeltival is a free music festival in Karlsruhe that takes place every summer. It features a diverse range of musical genres, from rock and pop to jazz and world music. The festival takes place in a unique setting, with performances taking place in a large tent. This creates an intimate and atmospheric experience for the audience. Zeltival has been running for over 20 years and has become a popular event for music lovers in the region. Its free admission makes it a great choice for budget-conscious travellers looking for a unique and affordable way to enjoy live music.