Ciudad Gragea is a Mexican rock band formed in 2014 in Monterrey, Nuevo León. The band consists of four members: David Castillo (vocals, guitar), Alejandro "Alex" González (guitar), Ricardo "Ricky" Treviño (bass), and Alejandro "Alex" Garza (drums). Ciudad Gragea's music is a blend of alternative rock, pop, and electronic elements, with lyrics that often explore themes of love, loss, and the human condition. The band has released two studio albums, "Ciudad Gragea" (2016) and "La Noche" (2019), and has toured extensively throughout Mexico and Latin America.