The Mad Cool Festival is an annual music festival held in Madrid, Spain. It features a diverse lineup of international artists across various genres, including rock, pop, and electronic music. The festival typically takes place over several days in July, attracting thousands of music fans from around the world. In addition to live performances, the festival offers a vibrant atmosphere with food stalls, art installations, and various activities. Established in 2015, the Mad Cool Festival has quickly gained popularity, showcasing both established acts and emerging talent, making it a significant event in the European music scene.