Greatest Hits Live! is a Sammy Hagar live album. Image File history File links Nocover. ... A greatest hits album (sometimes referred to as a best of album) is a compilation album of successful, previously released songs by a particular music artist or band. ... Samuel Roy Hagar (born October 13, 1947 in Monterey, California, USA), better known as Sammy Hagar, (aka The Red Rocker) is a U.S. rock guitarist, singer, composer and former member of Van Halen, and of the early 70s rock band Montrose. ... A music genre is a category (or genre) of pieces of music that share a certain style or basic musical language (van der Merwe 1989, p. ... This article does not cite its references or sources. ... Samuel Roy Hagar (born October 13, 1947 in Monterey, California, USA), better known as Sammy Hagar, (aka The Red Rocker) is a U.S. rock guitarist, singer, composer and former member of Van Halen, and of the early 70s rock band Montrose. ...