Courtney Love (July 9, 1964) is an American singer, guitarist, songwriter, and actress. A figure in the alternative and grunge scenes of the 1990s, Love has had a career spanning four decades. She rose to prominence as the lead vocalist and rhythm guitarist of the alternative rock band Hole, which she formed in 1989. [Wikipedia]

Beck (July 8, 1970) is an American musician, singer, songwriter, and record producer. He rose to fame in the early 1990s with his experimental and lo-fi style, and became known for creating musical collages of wide-ranging genres. [Wikipedia]

Gustav Mahler (July 7, 1860 – 18 May 1911) was an Austro-Bohemian Romantic composer, and one of the leading conductors of his generation. As a composer he acted as a bridge between the 19th-century Austro-German tradition and the modernism of the early 20th century. [Wikipedia]