The Bob Seger System was an American rock band led by renowned artist Bob Seger, active in the late 1960s and early 1970s. The band is known for its blend of hard rock and soul, with Seger's distinctive raspy vocals and introspective lyrics at the forefront. A significant contribution to their legacy is the anti-war anthem "2+2=?", which was recognized by the Rock and Roll Hall of Fame as one of the 500 songs that shaped rock and roll. The band's exploration of social and political themes had a lasting impact on the rock genre, paving the way for Seger's successful solo career.