INDAR is an alternative metal band founded in 2020 in Barcelona, Spain. The fronted-female quartet are Sara on lead vocals, Karmen on guitar, Marta on bass, and Martí on drums. The band's sound combines elements of progressive, black and post-metal, blending clean and growling vocals with lyrics addressing social themes. “Nostalgia” is the band’s fourth single and follows their hit single “Udol,” in Catalan, which in less than three months has garnered nearly 95,000 views on YouTube. The band previously debuted with “Rotten Roots” and “Prey,” released in late 2023.