O-Town is an American boy band formed from the first season of the reality TV series "Making the Band" in 2000. The group's original lineup included Ashley Parker Angel, Erik-Michael Estrada, Trevor Penick, Jacob Underwood, and Dan Miller. Their music style is primarily pop but also integrates elements of R&B, resulting in a mainstream sound popular in early 2000s' teen pop culture. Their most notable hit, "All or Nothing," exemplifies their signature blend of harmonious vocals and romantic lyrics. After disbanding in 2003, O-Town reformed without Angel in 2013, affirming their place in the history of reality TV-created musical acts.