One of the most important and combustible relationships in classic rock occurs when charismatic and talented singers and lead guitarists team up. The sparks that fly when the right pair get together can create legendary albums, amazing concerts, and most importantly to us right now, iconic photo opportunities.

From Mick Jagger and Keith Richards' frequently frosty but highly fruitful partnership, to Eddie Van Halen's inability to find a stable battery mate, and right up to modern bands such as Jane's Addiction and Stone Temple Pilots, these partnerships often lead to gossip-column sniping, but they're also responsible for much of the best music in your record collection.  So here are classic pics of some of the most famous and important singer / lead guitarist duos in classic rock history.