Her vocal sound and style of delivery are key parts of her style and are recognizable in Presley 's and Joplin 's work .
Elvis Presley and Janis Joplin admired her unique style of singing and incorporated elements of it in their own work .
Janis Joplin 's vocal sound and style of delivery are key parts of her style and are recognizable Elvis Presley Presley 's Janis Joplin Joplin 's work .
Elvis Presley and Janis Joplin admired her unique style of singing and incorporated elements of it in their own work .