The ''Queen of Country Music,'' Dolly Parton, is one of the most honored country music performers of all-time. The blending of old country, bluegrass and pop music has led to 45 Grammy Award nominations and a Lifetime Achievement Award at the 2011 Grammys. The Record Industry Association of America has certified 25 of her single or album releases as either Gold Record, Platinum Record or Multi-Platinum Record. After her 1977 single, ''Here You Come Again,'' landed at number one on the country chart and number three on the Billboard Hot 100, Parton produced a string of crossover hits in the late 70s and early 80s, including classics ''Two Doors Down,'' ''Heartbreaker,'' ''You're the Only One,'' ''9 to 5'' and ''But You Know I Love You.'' All in all, Dolly Parton has had 26 songs reach number one on the Billboard country charts, a record for a female artist.