Nancy Wilson

By the time 1984 rolled around, Heart were at a serious career crossroads. Then they released their self-titled 1985 album.

Since announcing their decision to cancel a planned performance at Orlando's SeaWorld, Heart's Ann and Nancy Wilson have had some time to think about their position on the park's treatment of its captive animals -- and they're still pretty steamed.

Heart fans in attendance at the band's June 18 Tampa gig were given a surprise treat -- along with band member Ann Wilson, who received a birthday serenade from her sister Nancy.

According to Gibson.com Keith Richards is the greatest rhythm guitarist ever.  The list is pretty impressive.   As the article suggests; lead guitarists get most of the glory while rhythm guitarists provide the foundation.