Their first album, "On Through the Night" (1980), was a hit in many parts of England. In April 1980, Def Leppard signed with Leber Krebs management. In the same year they went of their first U.S. tour with Ted Nugent, AC/DC, and Judas Priest. In 1981 the band released their second album, "High ‘n’ Dry". At that time, MTV aired Def Leppard for the first time. MTV aired their hit “Bringin’ on the Heartbreak.” 