Van Halen is an American rock band formed in Pasadena, California, in 1972. From 1974 until 1985, the band comprised guitarist Eddie Van Halen, vocalist David Lee Roth, drummer Alex Van Halen and bassist Michael Anthony. This line-up was changed when Roth was succeeded as vocalist by Sammy Hagar.
The band went on to further success, and by the early 1980s they were one of the most successful rock acts of the time. 1984 was their most successful album. The lead single, "Jump", became an international hit and their only single to reach number one on the Billboard Hot 100. The following singles, "Panama" and "I'll Wait", both hit number 13 on the US charts. The album went on to sell over 12 million copies in the US alone. In 1985, the band replaced lead singer David Lee Roth with ex-Montrose lead vocalist Sammy Hagar. With Hagar, the group would release four US number-one albums over the course of 11 years. Hagar left the band in 1996 shortly before the release of the band's first greatest hits collection, Best Of – Volume I. Former Extreme frontman Gary Cherone was quickly recruited as lead singer to replace Hagar, and Van Halen III was released in 1998. Cherone left the band in frustration in 1999 after the tour due to the poor commercial performance of the album.