Janis Lyn Joplin was an American singer-songwriter who sang rock, soul and blues music. One of the most successful and widely known rock stars of her era, she was noted for her powerful mezzo-soprano vocals and 'electric' stage presence.
Martyn Jerel Buchwald, known as Marty Balin, was an American singer, songwriter, and musician best known as the founder/leader and one of the lead singers and songwriters of Jefferson Airplane and Jefferson Starship.
James Marshall 'Jimi' Hendrix was an American musician, singer, and songwriter. Although his mainstream career spanned only four years, he is widely regarded as one of the most influential electric guitarists in the history of popular music, and one of the most celebrated musicians of the 20th century. The Rock and Roll Hall of Fame describes him as 'arguably the greatest instrumentalist in the history of rock music'.