Concrete Castles may refer to: 1) The pop rock band from Pennsylvania, United States (formed 2021). They also release cover music as First2Eleven or First to Eleven. Pennsylvania-bred rock band Concrete Castles took their name from one of the first songs they ever wrote together, a wildly cathartic anthem called “Thrill.” As frontwoman Audra Miller reveals, the song was inspired by the pure joy that she and her bandmates Matt Yost (guitar) and Sam Gilman (drums) have found in chasing their dreams with no backup plan. Read more on Last.fm