“One Day as a Lion” is a musical project led by Zack de la Rocha, the lead vocalist of the band Rage Against the Machine. The project features a blend of rock and hip-hop elements, showcasing de la Rocha's signature vocal style and socially conscious lyrics. The title refers to the idea of living boldly and passionately, even if just for a short time. The music often addresses themes of resistance and empowerment, resonating with listeners who seek inspiration in challenging times. The project emphasizes the importance of making a significant impact, even if fleeting.