Janis Joplin was close to completing Pearl on Oct. 1, 1970, when she did an a cappella take on "Mercedes Benz." This impromptu performance of a song questioning whether material things can bring ...

Any classic rock fan worth his or her vinyl record albums is familiar with the Janis Joplin song "Mercedes Benz." In the final song recorded before the singer's untimely death at age 27, Joplin asks ...